Optical lens and camera

Abstract

The utility model relates to the field of camera equipment, and provides an optical lens and a camera. The optical lens comprises a first outer cover lens barrel, a second outer cover lens barrel and a graduated drum. A display window penetrates through the barrel wall of the first outer cover lens barrel, and the second outer cover lens barrel and the first outer cover lens barrel are coaxially arranged at intervals. The graduated drum comprises a first ring part, a focusing dial wheel and a second ring part which are sequentially arranged in the axial direction of the graduated drum, first scales are arranged on the peripheral surface of the first ring part, second scales are arranged on the peripheral surface of the second ring part, and the first scales and the second scales are different in measurement unit. One of the first ring part and the second ring part is sleeved with the first outer cover lens cone, the corresponding first scale or the corresponding second scale is exposed in the display window, the other one of the first ring part and the second ring part is sleeved with the second outer cover lens cone, and the focusing dial wheel is exposed out of a gap between the first outer cover lens cone and the second outer cover lens cone. Based on the above structure, the use performance, the use convenience and the applicability of the optical lens can be improved.

Description

Technical Field

[0001] The present application belongs to the technical field of camera equipment, and in particular, relates to an optical lens and a camera. Background Art

[0002] Optical lenses usually have a customized focus scale with a uniform unit of measurement. The focus scale can help photographers understand the focus status, improve the shooting quality, and determine the focus distance. However, the focus scale with a uniform unit of measurement cannot meet the needs of different photographers, resulting in poor performance and convenience of use of optical lenses and a small scope of application. Utility Model Content

[0003] The embodiments of the present application provide an optical lens and a camera, aiming to solve the problems of poor performance and convenience of use and a small scope of application of the optical lens.

[0004] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is:

[0005] In a first aspect, an optical lens is provided, comprising:

[0006] A first outer cover lens barrel, wherein a display window is penetrated through a barrel wall of the first outer cover lens barrel;

[0007] A second outer cover lens barrel is coaxially arranged with the first outer cover lens barrel and spaced apart;

[0008] A scale barrel comprises a first ring portion, a focus dial and a second ring portion which are arranged in sequence along its axial direction, wherein the outer circumferential surface of the first ring portion is provided with a first scale, and the outer circumferential surface of the second ring portion is provided with a second scale, and the measurement units of the first scale and the second scale are different; one of the first ring portion and the second ring portion is sleeved in the first outer cover barrel, and the corresponding first scale or the second scale is exposed in the display window, and the other of the first ring portion and the second ring portion is sleeved in the second outer cover barrel, and the focus dial is exposed from the gap between the first outer cover barrel and the second outer cover barrel.

[0009] In some embodiments, the optical lens comprises a rotating lens barrel sleeved in the graduated barrel, the rotating lens barrel is connected to the graduated barrel and rotates synchronously with the graduated barrel;

[0010] The inner circumferential surface of the graduated cylinder is provided with a first groove and a second groove both extending along the axial direction thereof, the first groove having a first end connected to the outside of the graduated cylinder, and the second groove having a second end connected to the outside of the graduated cylinder;

[0011] A limiting convex portion is provided on the outer periphery of the rotating lens barrel, and the limiting convex portion is matched with the first groove when the display window exposes the first scale, and the limiting convex portion is matched with the second groove when the display window exposes the second scale.

[0012] In some embodiments, the first end and the second end are disposed at opposite ends of the graduated cylinder.

[0013] In some embodiments, the first end of the first groove is disposed on the first ring portion, and the second end of the second groove is disposed on the second ring portion.

[0014] In some embodiments, along the circumference of the rotating lens barrel, the installation position of the limiting protrusion relative to the rotating lens barrel is adjustable.

[0015] In some embodiments, the outer circumferential surface of the rotating lens barrel is provided with an adjustment groove extending along the circumference thereof, and the optical lens comprises an adjustment block, the adjustment block is slidably connected in the adjustment groove, and the position of the adjustment block in the adjustment groove is stabilized by a positioning member;

[0016] The limiting convex portion is arranged on one side of the adjusting block facing the notch of the adjusting groove and protrudes from the notch of the adjusting groove.

[0017] In some embodiments, the bottom of the adjustment groove is provided with a plurality of fastening holes arranged at intervals along its extension direction, the adjustment block is provided with an adjustment groove, the extension direction of the adjustment groove corresponds to the extension direction of the adjustment groove, the adjustment groove is arranged through along its own groove depth direction, and the adjustment groove is detachably connected to at least one of the fastening holes through the positioning piece.

[0018] In some embodiments, the first groove and the second groove are arranged opposite to each other along the radial direction of the scale drum.

[0019] In some embodiments, the first outer cover lens barrel is provided with two display windows, and the two display windows are spaced apart along the axial direction of the first outer cover lens barrel and spaced apart along the circumferential direction of the first outer cover lens barrel;

[0020] The first ring portion is provided with two first scales, and when the first ring portion is sleeved in the first outer cover lens barrel, the two first scales are exposed in the two display windows one by one;

[0021] The second ring portion is provided with two second scales. When the second ring portion is sleeved in the first outer cover lens barrel, the two second scales are exposed in the two display windows one by one.

[0022] In a second aspect, a camera is provided, comprising the optical lens provided in an embodiment of the present application.

[0023] The beneficial effects of the optical lens provided by the present application are:

[0024] The optical lens provided by the embodiment of the present application can be conveniently and quickly disassembled and assembled by the photographer, and any one of the first ring part and the second ring part can be selected to be set in the first outer cover lens barrel, so as to expose the corresponding first scale or second scale in the display window of the first outer cover lens barrel, and hide the one of the first scale and the second scale that is not exposed to the display window in the barrel wall of the second outer cover lens barrel. Based on this, it is convenient for the photographer to conveniently and quickly switch to use the first scale or the second scale of different units of measurement according to his own use needs, to help himself master the focus state, improve the shooting quality, and determine the focus distance, so as to meet the use needs of different photographers, improve the use performance, convenience, flexibility and applicability of the optical lens, and expand the scope of application of the optical lens. In addition, the switching operation of the first scale and the second scale is simple and fast, without relying on external tools, external equipment, and without complicated operation steps, so as to improve the use convenience and use experience of the optical lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 A front view of an optical lens provided in some embodiments of the present application;

[0027] Figure 2 for Figure 1 A cross-sectional view along AA is provided;

[0028] Figure 3 for Figure 1 An exploded schematic diagram of the optical lens provided;

[0029] Figure 4 for Figure 1 A side view of the optical lens is provided;

[0030] Figure 5 A three-dimensional schematic diagram of a graduated cylinder provided in some embodiments of the present application;

[0031] Figure 6 A schematic diagram of the coordination of a rotating lens barrel, an adjustment block, and a positioning member provided in some embodiments of the present application;

[0032] Figure 7 for Figure 6 Exploded diagram of the rotating barrel, adjustment block, and positioning components provided.

[0033] Among them, the reference numerals in the figure are:

[0034] 10-first outer cover barrel, 11-display window, 12-indicator mark; 20-second outer cover barrel; 30-scale barrel, 31-first ring portion, 311-first scale, 32-focus dial, 33-second ring portion, 331-second scale, 34-first groove, 341-first end, 35-second groove, 351-second end; 40-lens body; 50-rotating barrel, 51-adjusting groove, 52-fastening hole; 60-adjusting block, 61-limiting protrusion, 62-adjusting groove; 70-positioning piece. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clear, the present application is described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. If there is no special description, all implementation methods and optional implementation methods of the present application can be combined with each other to form a new technical solution. If there is no special description, all technical features and optional technical features of the present application can be combined with each other to form a new technical solution.

[0036] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] In the present application, “axial direction” refers to the extension direction of the central axis of the corresponding structure, “circumferential direction” refers to the circumferential direction of the outer peripheral surface of the corresponding structure, and “radial direction” refers to any diameter direction of the corresponding structure.

[0040] Optical lenses are usually equipped with a customized, unified unit of measurement focus scale (also known as focus function engraving information). The focus scale can help photographers understand the focus status, improve shooting quality, and determine the focus distance. The focus distance is the distance between the lens and the subject. However, the focus scale with a unified unit of measurement cannot meet the needs of different photographers, resulting in poor performance and convenience of use of optical lenses and a small scope of application.

[0041] Therefore, the embodiment of the present application provides an optical lens that allows photographers to easily and quickly switch between two focus scales with different measurement units, which can meet the usage needs of different photographers, thereby improving the performance, convenience, flexibility and applicability of the optical lens, and expanding the scope of application of the optical lens.

[0042] The specific implementation of this application is described in detail below in conjunction with specific embodiments:

[0043] See also Figure 1 , Figure 2 , Figure 3 , Figure 4Some embodiments of the present application provide an optical lens, including a first outer cover barrel 10, a second outer cover barrel 20 and a scale barrel 30. A display window 11 is penetrated through the barrel wall of the first outer cover barrel 10, and the second outer cover barrel 20 is coaxially spaced from the first outer cover barrel 10. The scale barrel 30 includes a first ring portion 31, a focus dial 32 and a second ring portion 33 sequentially arranged along its axial direction, a first scale 311 is provided on the outer circumference of the first ring portion 31, and a second scale 331 is provided on the outer circumference of the second ring portion 33, and the measurement units of the first scale 311 and the second scale 331 are different. One of the first ring portion 31 and the second ring portion 33 is sleeved in the first outer cover barrel 10, and the corresponding first scale 311 or second scale 331 is exposed in the display window 11, and the other of the first ring portion 31 and the second ring portion 33 is sleeved in the second outer cover barrel 20, and the focus dial 32 is exposed from the gap between the first outer cover barrel 10 and the second outer cover barrel 20.

[0044] It should be noted that the first outer cover barrel 10 and the second outer cover barrel 20 are both outer cover barrels, and the first outer cover barrel 10 and the second outer cover barrel 20 are coaxially arranged and spaced apart from each other along the axial direction.

[0045] The scale barrel 30 is a cylindrical structure for setting the focus scale. The scale barrel 30 includes a first ring portion 31, a focus dial 32, and a second ring portion 33, all of which are ring-shaped. The first ring portion 31, the focus dial 32, and the second ring portion 33 are sequentially arranged along the axial direction of the scale barrel 30. Figure 3 As shown, in some embodiments, the scale barrel 30 can be an integrally formed structure, that is, the first ring portion 31, the focus dial 32, and the second ring portion 33 are sequentially connected in an integral manner. Of course, in other embodiments, the first ring portion 31 and the focus dial 32, and the focus dial 32 and the second ring portion 33 can be connected separately as needed.

[0046] The first ring portion 31 and the second ring portion 33 of the scale barrel 30 are sleeved inside the first outer cover barrel 10 and the second outer cover barrel 20. The focus dial 32 is protruded relative to the outer circumference of the first ring portion 31 and the outer circumference of the second ring portion 33, and the focus dial 32 is exposed from the gap between the first outer cover barrel 10 and the second outer cover barrel 20, so that the photographer can hold and rotate the focus dial 32 to drive the scale barrel 30 to rotate relative to the first outer cover barrel 10 and the second outer cover barrel 20. During the rotation of the scale barrel 30, the first outer cover barrel 10 and the second outer cover barrel 20 do not rotate with the scale barrel 30.

[0047] It should also be noted that the outer circumference of the first ring portion 31 is provided with a first scale 311, and the outer circumference of the second ring portion 33 is provided with a second scale 331. The first scale 311 and the second scale 331 are both focus scales, which can help the photographer to grasp the focus state, improve the shooting quality, and determine the focus distance. The focus distance is the distance between the lens and the object being photographed. Among them, the measurement unit of the first scale 311 and the measurement unit of the second scale 331 are different (for example, one scale uses metric units and the other system uses imperial units). Among them, the first scale 311 and the second scale 331 respectively include a number of scale values ​​and scale lines spaced along the circumference of the scale barrel 30.

[0048] The first housing lens barrel 10 is provided with a display window 11, and the display window 11 is arranged through the barrel wall of the first housing lens barrel 10. The display window 11 is arranged to extend along the circumference of the first housing lens barrel 10. The shape of the display window 11 can be, but not limited to, a waist shape, a rectangle, etc. The length, width, etc. of the display window 11 can be set as required. The display window 11 can be used to expose and reveal any one of the first scale 311 and the second scale 331.

[0049] During use, the photographer can select any one of the first ring portion 31 and the second ring portion 33 to be sleeved in the first outer cover barrel 10 according to the use requirements, and make the other one of the first ring portion 31 and the second ring portion 33 sleeved in the second outer cover barrel 20. That is, in a use scenario, the photographer can select the first ring portion 31 to be sleeved in the first outer cover barrel 10, so that the first scale 311 of the first ring portion 31 is exposed in the display window 11 of the first outer cover barrel 10, and correspondingly, the second ring portion 33 is sleeved in the second outer cover barrel 20, and the second scale 331 of the second ring portion 33 is hidden in the barrel wall of the second outer cover barrel 20. In another usage scenario, the photographer can choose to sleeve the second ring portion 33 in the first housing barrel 10 so that the second scale 331 of the second ring portion 33 is exposed in the display window 11 of the first housing barrel 10. Correspondingly, the first ring portion 31 is sleeved in the second housing barrel 20, and the first scale 311 of the first ring portion 31 is hidden in the barrel wall of the second housing barrel 20. Based on this, the photographer can choose to expose either the first scale 311 or the second scale 331 in the display window 11 according to the usage requirements, so as to use the focus scale of the required measurement unit to help oneself grasp the focus state, improve the shooting quality, and determine the focus distance.

[0050] In summary, the optical lens provided in the embodiment of the present application can allow the photographer (or other personnel) to conveniently and quickly disassemble and assemble the scale barrel 30, and choose to sleeve any one of the first ring portion 31 and the second ring portion 33 in the first outer cover barrel 10, so as to expose the corresponding first scale 311 or the second scale 331 in the display window 11 of the first outer cover barrel 10, and hide the one of the first scale 311 and the second scale 331 that is not exposed in the display window 11 in the barrel wall of the second outer cover barrel 20. Based on this, it is convenient for the photographer to conveniently and quickly switch to use the first scale 311 or the second scale 331 of different measurement units according to his own use needs, so as to help him master the focus state, improve the shooting quality, and determine the focus distance, so as to meet the use needs of different photographers, improve the use performance, use convenience, use flexibility and applicability of the optical lens, and expand the scope of application of the optical lens. Furthermore, the switching operation between the first scale 311 and the second scale 331 is simple and quick, does not require reliance on external tools or external equipment, and does not require complicated operation steps, thereby improving the convenience and user experience of the optical lens.

[0051] In addition, since the optical lens can meet the usage needs of most photographers, it can reduce the types and models of optical lenses that manufacturers need to customize and process, thereby reducing design costs and processing costs for manufacturers.

[0052] like Figure 2 , Figure 3 As shown, in some embodiments, the optical lens includes a lens body 40. The first outer cover lens barrel 10 and the second outer cover lens barrel 20 are both sleeved outside the lens body 40, and are coaxially spaced along the axial direction of the lens body 40. The first outer cover lens barrel 10 and the second outer cover lens barrel 20 are respectively connected to the lens body 40 to stabilize their respective installation positions and installation states. The first outer cover lens barrel 10 and the lens body 40, and the second outer cover lens barrel 20 and the lens body 40 can be connected by, but not limited to, screw connection and other methods. The scale barrel 30 is sleeved in the first outer cover lens barrel 10 and the second outer cover lens barrel 20, and sleeved outside the lens body 40.

[0053] like Figure 5 As shown, in some embodiments, the first scale 311 is a metric scale, and the second scale 331 is an English scale. That is, the first scale 311 is a metric scale, and the measurement unit of the first scale 311 can be, but not limited to, m (meter). The second scale 331 is an English scale, and the measurement unit of the second scale 331 can be, but not limited to, ft (foot). Such a setting enables the optical lens to switch between the English scale and the metric scale, which can meet the mainstream use needs of most photographers, improve the applicability and practicality of the optical lens, and expand the scope of application of the optical lens.

[0054] See also Figure 2 , Figure 3 , Figure 5 , Figure 6 In some embodiments of the present application, the optical lens includes a rotating lens barrel 50 sleeved in the scale barrel 30, the rotating lens barrel 50 is connected to the scale barrel 30, and rotates synchronously with the scale barrel 30. The inner circumference of the scale barrel 30 is provided with a first groove 34 and a second groove 35 both extending along the axial direction thereof, the first groove 34 has a first end 341 connected to the outside of the scale barrel 30, and the second groove 35 has a second end 351 connected to the outside of the scale barrel 30. The outer circumference of the rotating lens barrel 50 is provided with a limiting convex portion 61, the limiting convex portion 61 is matched with the first groove 34 when the display window 11 exposes the first scale 311, and the limiting convex portion 61 is matched with the second groove 35 when the display window 11 exposes the second scale 331.

[0055] It should be noted that the rotating lens barrel 50 is sleeved in the scale barrel 30. The rotating lens barrel 50 is directly connected to the scale barrel 30 or indirectly connected via other components (such as screws), so that the rotating lens barrel 50 can rotate synchronously with the scale barrel 30. That is, the photographer can hold and rotate the focus dial 32 to drive the scale barrel 30 and the rotating lens barrel 50 to rotate relative to the first outer cover barrel 10 and the second outer cover barrel 20.

[0056] The rotating lens barrel 50 can drive the lens in the optical lens to move axially by rotating, thereby realizing the focusing function. In some embodiments, the optical lens includes a first optical module and a second optical module, the first optical module is connected to the rotating lens barrel 50, and the second optical module is connected to the lens body 40. The rotating lens barrel 50 can drive the first optical module to move by rotating to adjust the distance between the first optical module and the second optical module, thereby realizing the focusing function.

[0057] It should also be noted that a limiting convex portion 61 is provided on the outer periphery of the rotating lens barrel 50. The limiting convex portion 61 can be connected to the outer periphery of the rotating lens barrel 50 in a separate body or in an integral body. The limiting convex portion 61 protrudes from the outer peripheral surface of the rotating lens barrel 50. The limiting convex portion 61 can be, but is not limited to, a convex column.

[0058] The inner circumferential surface of the graduated cylinder 30 is provided with a first groove 34 and a second groove 35, both of which are extended along the axial direction of the graduated cylinder 30, and are spaced apart along the circumferential direction of the graduated cylinder 30. The first groove 34 has a first end 341, and the first end 341 of the first groove 34 is connected to the outside of the graduated cylinder 30. The second groove 35 has a second end 351, and the second end 351 of the second groove 35 is connected to the outside of the graduated cylinder 30. The first groove 34 corresponds to the first ring portion 31 and the first scale 311. The second groove 35 corresponds to the second ring portion 33 and the second scale 331.

[0059] The limiting protrusion 61 can be switchably matched with either the first groove 34 or the second groove 35. In one use scenario, the first ring portion 31 can be selected to be sleeved in the first outer cover barrel 10 so that the first scale 311 of the first ring portion 31 is exposed in the display window 11 of the first outer cover barrel 10. During this period, the limiting protrusion 61 can be slid into the first end 341 of the first groove 34 and limitedly matched in the first groove 34 to accurately locate the relative circumferential position of the rotating barrel 50 and the scale barrel 30, and improve the rotation synchronization of the rotating barrel 50 and the scale barrel 30; that is, when the first ring portion 31 is sleeved in the first outer cover barrel 10 and the display window 11 exposes the first scale 311, the limiting protrusion 61 is limitedly matched in the first groove 34. In another usage scenario, the second ring portion 33 can be selected to be sleeved in the first outer cover barrel 10 so that the second scale 331 of the second ring portion 33 is exposed in the display window 11 of the first outer cover barrel 10. During this period, the limiting protrusion 61 can be slid into the second end 351 of the second groove 35 and limitedly fitted in the second groove 35 to accurately locate the relative circumferential position of the rotating lens barrel 50 and the scale barrel 30, and improve the rotation synchronization of the rotating lens barrel 50 and the scale barrel 30; that is, when the second ring portion 33 is sleeved in the first outer cover barrel 10 and the display window 11 exposes the second scale 331, the limiting protrusion 61 is limitedly fitted in the second groove 35.

[0060] By adopting the above scheme, the optical lens can realize the focusing function by driving the lens in the optical lens to move axially through the rotating lens barrel 50 that rotates synchronously with the scale barrel 30. In addition, in the switching operation process of selecting the first ring portion 31 to be sleeved in the first outer cover lens barrel 10 so that the first scale 311 is exposed in the display window 11, the limiting protrusion 61 can slide from the first end 341 of the first groove 34 and be limited in the first groove 34 to accurately locate the relative circumferential position of the rotating lens barrel 50 and the scale barrel 30. In the switching operation process of selecting the second ring portion 33 to be sleeved in the first outer cover lens barrel 10 so that the second scale 331 is exposed in the display window 11, the limiting protrusion 61 can slide from the second end 351 of the second groove 35 and be limited in the second groove 35 to accurately locate the relative circumferential position of the rotating lens barrel 50 and the scale barrel 30. Based on this, during the switching operation between the first scale 311 and the second scale 331, the positioning and assembly of the scale barrel 30 relative to the rotating lens barrel 50 can be completed quickly, simply and accurately, and the rotation synchronization between the rotating lens barrel 50 and the scale barrel 30 can be reliably improved, thereby improving the convenience of the switching operation between the first scale 311 and the second scale 331, improving the convenience of disassembly and assembly of the scale barrel 30, and improving the assembly convenience, focusing accuracy and camera performance of the optical lens.

[0061] In addition, the cooperation between the limiting protrusion 61 and the first groove 34 or the second groove 35 can also stabilize the stability and consistency of the rotating lens barrel 50 and the scale barrel 30 during the synchronous rotation process, reduce the error or wear caused by asynchrony, and thus improve the overall structural stability, structural reliability and service life of the optical lens.

[0062] Also, please see Figure 4 The first housing barrel 10 is provided with an indicator mark 12, which is provided at one side of the display window 11 along the axial direction of the first housing barrel 10. The indicator mark 12 is used to indicate the current value of the first scale 311 or the second scale 331 exposed in the display window 11, so as to indicate the current focus value of the optical lens. The indicator mark 12 may be in the form of, but not limited to, an arrow, a scribed line, etc. In combination with the arrangement of the present embodiment, since the positioning and assembly of the scale barrel 30 relative to the rotating lens barrel 50 can be achieved quickly, easily and accurately during the switching operation between the first scale 311 and the second scale 331, the risk of assembly angle deviation between the scale barrel 30 and the rotating lens barrel 50 can be reduced. Therefore, no matter whether the photographer switches to use the first scale 311 or the second scale 331, in the initial state (i.e., the state where the focus is not adjusted), the indicator mark 12 can directly align and indicate the initial value (generally the INF (Infinity) value) of the first scale 311 or the second scale 331 exposed in the display window 11 without the need for the photographer to adjust (designed and adjusted before leaving the factory), thereby improving the convenience of the switching operation between the first scale 311 and the second scale 331, and facilitating the photographer to switch to use the first scale 311 or the second scale 331 by himself, while improving the focusing accuracy and ease of use of the optical lens.

[0063] See also Figure 2 , Figure 3 , Figure 5 In some embodiments of the present application, the first end 341 and the second end 351 are respectively disposed at opposite ends of the scale barrel 30. The opposite ends of the scale barrel 30 are opposite ends of the scale barrel 30 along its axial direction. Along the axial direction of the scale barrel 30, the first end 341 is disposed at one end of the scale barrel 30 (i.e., the first end 341 is connected to the outside from one end of the scale barrel 30), and the second end 351 is disposed at the other end of the scale barrel 30 (i.e., the second end 351 is connected to the outside from the other end of the scale barrel 30).

[0064] Since the first end 341 and the second end 351 correspond to different scales (the first scale 311 and the second scale 331), by adopting the above solution, the first end 341 of the first slot 34 and the second end 351 of the second slot 35 can be arranged on the opposite sides, so that the first slot 34 and the second slot 35 can be different, and a foolproof effect can be formed. Based on this, during the switching operation of the first scale 311 and the second scale 331, the confusion between the first slot 34 and the second slot 35 can be reduced, which is convenient for the photographer to intuitively and quickly distinguish the first slot 34 and the second slot 35, and convenient for the photographer to quickly, accurately and once assemble the required one of the first slot 34 and the second slot 35 with the limiting protrusion 61, so that the photographer can quickly, accurately and once switch to the required first system or second system, thereby reducing the risk of the scale barrel 30 being assembled in the wrong direction, and improving the accuracy, convenience and efficiency of the switching operation of the first scale 311 and the second scale 331.

[0065] Of course, in other embodiments, the first end 341 and the second end 351 may be disposed at the same end of the scale cylinder 30 .

[0066] See also Figure 2 , Figure 3 , Figure 5 In some embodiments of the present application, the first end 341 of the first groove 34 is provided at the first ring portion 31, and the second end 351 of the second groove 35 is provided at the second ring portion 33. That is, the first end 341 of the first groove 34 is connected to the outside of the scale drum 30 from the end side of the first ring portion 31 away from the second ring portion 33, and the second end 351 of the second groove 35 is connected to the outside of the scale drum 30 from the end side of the second ring portion 33 away from the first ring portion 31.

[0067] Since there is a corresponding relationship between the first groove 34 and the first ring portion 31 and the first scale 311, and since there is a corresponding relationship between the second groove 35 and the second ring portion 33 and the second scale 331, by adopting the above scheme, the first groove 34 and the second groove 35 can be differentiated, the first groove 34 and the first ring portion 31 and the first scale 311 can form an intuitive correspondence, and the second groove 35 and the second ring portion 33 and the second scale 331 can form an intuitive correspondence, which can form an excellent anti-fool effect. Based on this, during the switching operation between the first scale 311 and the second scale 331, the confusion between the first groove 34 and the second groove 35 can be reduced, so that the photographer can quickly, accurately and once assemble the first groove 34 with the limiting protrusion 61 when it is necessary to switch to the first system, and can quickly, accurately and once assemble the second groove 35 with the limiting protrusion 61 when it is necessary to switch to the second system, so that the photographer can quickly, accurately and once switch to the required first system or second system, thereby reducing the risk of the scale barrel 30 being assembled in the wrong direction, and improving the accuracy, convenience and efficiency of the switching operation between the first scale 311 and the second scale 331.

[0068] Of course, in other embodiments, the first end 341 of the first slot 34 may be disposed on the second ring portion 33 , and the second end 351 of the second slot 35 may be disposed on the first ring portion 31 .

[0069] like Figure 2 , Figure 3 , Figure 5 As shown, in some embodiments, the end of the first slot 34 away from the first end 341 is closed (i.e., a closed end). Such a configuration can facilitate the foolproof design between the first slot 34 and the second slot 35; and, when the limiting protrusion 61 is matched with the first slot 34, the limiting protrusion 61 can be limited and positioned via the end of the first slot 34 away from the first end 341 to accurately position the relative axial position of the rotating lens barrel 50 and the scale barrel 30, thereby improving the convenience of disassembly and assembly, assembly accuracy and assembly efficiency of the scale barrel 30. Of course, in other embodiments, the end of the first slot 34 away from the first end 341 may be connected to the outside of the scale barrel 30.

[0070] like Figure 2 , Figure 3 , Figure 5 As shown, in some embodiments, the end of the second slot 35 away from the second end 351 is closed (i.e., a closed end). Such a configuration can facilitate the foolproof design between the second slot 35 and the first slot 34; and, when the limiting protrusion 61 is matched with the second slot 35, the limiting protrusion 61 can be limited and positioned via the end of the second slot 35 away from the second end 351 to accurately position the relative axial position of the rotating lens barrel 50 and the scale barrel 30, thereby improving the convenience of disassembly and assembly, assembly accuracy and assembly efficiency of the scale barrel 30. Of course, in other embodiments, the end of the second slot 35 away from the second end 351 may be connected to the outside of the scale barrel 30.

[0071] See also Figure 3 , Figure 4 , Figure 6 In some embodiments of the present application, along the circumference of the rotating lens barrel 50 , the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50 is adjustable.

[0072] It should be noted that the limiting protrusion 61 can be directly detachably connected to the rotating lens barrel 50, or can be indirectly detachably connected to the rotating lens barrel 50 via other components. Along the circumference of the rotating lens barrel 50, the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50 is adjustable.

[0073] By adopting the above scheme, the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50 can be adjusted along the circumference of the rotating lens barrel 50, so as to adjust the position of the limiting protrusion 61 before leaving the factory, thereby adjusting the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30. Based on this, before leaving the factory, if there is an installation angle deviation between the rotating lens barrel 50 and the scale barrel 30 due to processing error and assembly tolerance, the position of the limiting protrusion 61 can be adjusted, so that when the limiting protrusion 61 is matched with either the first groove 34 or the second groove 35, the indicator mark 12 is corrected and aligned to indicate "the initial value (for example, INF value) of the first scale 311 or the second scale 331 exposed in the display window 11" in the initial state of the optical lens, thereby correcting the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30, and maintaining and improving the focusing accuracy of the optical lens. This adjustment and correction work can be completed before leaving the factory, so that after leaving the factory and during the photographer's use, no matter the photographer switches to use the first scale 311 or the second scale 331, the indicator mark 12 will align to indicate the initial value of the first scale 311 or the second scale 331 exposed in the display window 11 without the need for the photographer to adjust it. This can omit the photographer's adjustment operation while maintaining the focus accuracy of the optical lens, improve the convenience of switching operations between the first scale 311 and the second scale 331, and improve the performance, convenience, and flexibility of use of the optical lens.

[0074] Of course, in other embodiments, if it is possible to make the limit protrusion 61 cooperate with either the first groove 34 or the second groove 35 based on high-precision processing or other correction design, the indicator mark 12 can be aligned to indicate "the initial value of the first scale 311 or the second scale 331 exposed in the display window 11" in the initial state of the optical lens, then the limit protrusion 61 can be fixed to the outer periphery of the rotating lens barrel 50.

[0075] See also Figure 3 , Figure 4 , Figure 6 In some embodiments of the present application, the outer circumferential surface of the rotating lens barrel 50 is provided with an adjustment groove 51 extending along the circumferential direction thereof, and the optical lens comprises an adjustment block 60, which is slidably connected in the adjustment groove 51, and the position of the adjustment block 60 in the adjustment groove 51 is stabilized by a positioning member 70. The limiting protrusion 61 is provided on one side of the adjustment block 60 facing the notch of the adjustment groove 51, and protrudes from the notch of the adjustment groove 51.

[0076] It should be noted that an adjustment groove 51 is provided in the area of ​​the rotating lens barrel 50 for mounting the limiting protrusion 61 , and the adjustment groove 51 is extended along the circumferential direction of the rotating lens barrel 50 .

[0077] The adjustment block 60 is used to install the limiting protrusion 61. The limiting protrusion 61 is arranged on the side of the adjustment block 60 facing the notch of the adjustment groove 51, that is, on the side of the adjustment block 60 away from the bottom of the adjustment groove 51. The limiting protrusion 61 protrudes from the notch of the adjustment groove 51, so that the limiting protrusion 61 is matched with the first groove 34 or the second groove 35. The limiting protrusion 61 can be connected to the adjustment block 60 separately or integrally.

[0078] The adjustment block 60 is slidably connected in the adjustment slot 51. In the case where the positioning member 70 does not lock the position of the adjustment block 60 in the adjustment slot 51, the adjustment block 60 can slide in the adjustment slot 51 to adjust the position of the adjustment block 60 in the adjustment slot 51, thereby adjusting the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50. After adjustment, the position of the adjustment block 60 in the adjustment slot 51 can be stabilized via the positioning member 70, thereby stabilizing the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50. Among them, the positioning member 70 can connect the adjustment block 60 and the adjustment slot 51 along a direction intersecting (for example, perpendicular) with the bottom of the adjustment slot 51 and the wall of the adjustment slot 51, so as to stabilize the position of the adjustment block 60 in the adjustment slot 51. The positioning member 70 can be, but is not limited to, a screw, a buckle, a plug buckle, etc. The positioning member 70 may be integrally connected to the adjustment block 60 or the adjustment slot 51, or may be separately connected to the adjustment block 60 and the adjustment slot 51. For example, the positioning member 70 may be a screw, and the screw may be separately connected to the adjustment block 60 and the adjustment slot 51 along a direction perpendicular to the bottom of the adjustment slot 51, so as to stabilize the position of the adjustment block 60 in the adjustment slot 51. For another example, the positioning member 70 may be a buckle protrusion integrally connected to the adjustment block 60, and the corresponding groove wall of the adjustment slot 51 may be provided with a plurality of buckle positions spaced along the circumference of the rotating lens barrel 50, and the buckle protrusion may be buckled at any buckle position, so as to stabilize the position of the adjustment block 60 in the adjustment slot 51.

[0079] By adopting the above solution, when the positioning member 70 does not lock the position of the adjustment block 60 in the adjustment groove 51, the adjustment block 60 can be slid in the adjustment groove 51 to adjust the position of the adjustment block 60 in the adjustment groove 51, thereby adjusting the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50. After the adjustment, the position of the adjustment block 60 in the adjustment groove 51 is stabilized by the positioning member 70, thereby stabilizing the installation position of the limiting protrusion 61 relative to the rotating lens barrel 50.

[0080] Based on this, it is convenient to adjust the installation position of the limiting protrusion 61 along the circumference of the rotating lens barrel 50, and the position adjustment range of the limiting protrusion 61 can be made larger, so that it is convenient to adjust the position of the limiting protrusion 61 before leaving the factory to adjust the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30. That is, before leaving the factory, if there is an installation angle deviation between the rotating lens barrel 50 and the scale barrel 30 due to processing error and assembly tolerance, the position of the limiting protrusion 61 can be adjusted by adjusting the installation position of the adjustment block 60 in the adjustment groove 51, so that when the limiting protrusion 61 is matched with either the first groove 34 or the second groove 35, the indicator mark 12 is corrected and aligned to indicate "the initial value (for example, INF value) of the first scale 311 or the second scale 331 exposed in the display window 11" in the initial state of the optical lens, so that the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30 can be corrected, and the focusing accuracy of the optical lens can be maintained and improved. This adjustment and correction work can be completed before leaving the factory, so that after leaving the factory and during the photographer's use, no matter the photographer switches to use the first scale 311 or the second scale 331, the indicator mark 12 will align to indicate the initial value of the first scale 311 or the second scale 331 exposed in the display window 11 without the need for the photographer to adjust it. This can omit the photographer's adjustment operation while maintaining the focus accuracy of the optical lens, improve the convenience of switching operations between the first scale 311 and the second scale 331, and improve the performance, convenience, and flexibility of use of the optical lens.

[0081] Furthermore, since the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30 can be corrected, there is a certain error tolerance between the rotating lens barrel 50 and the scale barrel 30, that is, the rotating lens barrel 50 and the scale barrel 30 are compatible and can tolerate appropriate processing errors and assembly errors. Based on this, the yield of the processing and assembly of the rotating lens barrel 50 and the scale barrel 30 can be improved, and the scrap rate and rework rate can be reduced.

[0082] Furthermore, the adjustment groove 51 can accommodate the adjustment block and even the positioning member 70 to compress the space occupied by the adjustment block 60 and the positioning member 70 in the radial direction of the rotating lens barrel 50, thereby compressing the radial size and volume of the optical lens, compacting and optimizing the structural design of the optical lens, reducing the space requirement of the optical lens, and facilitating the miniaturization of the optical lens.

[0083] Of course, in other embodiments, other structural designs may be used to adjust the installation position of the limiting protrusion 61 along the circumference of the rotating lens barrel 50. For example, the limiting protrusion 61 may be directly and detachably connected to different hole positions.

[0084] See also Figure 3 , Figure 6 , Figure 7In some embodiments of the present application, the bottom of the adjustment groove 51 is provided with a plurality of fastening holes 52 arranged at intervals along its extension direction, and the adjustment block 60 is provided with an adjustment groove 62. The extension direction of the adjustment groove 62 corresponds to the extension direction of the adjustment groove 51. The adjustment groove 62 is arranged through along its own groove depth direction, and the adjustment groove 62 is detachably connected to at least one fastening hole 52 through a positioning piece 70.

[0085] It should be noted that the adjustment block 60 is provided with an adjustment groove 62, and the extension direction of the adjustment groove 62 corresponds to the extension direction of the adjustment groove 51, that is, the adjustment groove 62 is also extended along the circumference of the rotating lens barrel 50, and the adjustment groove 62 is set through the adjustment block 60 along its own groove depth direction.

[0086] The bottom of the adjustment groove 51 is provided with a plurality of fastening holes 52, and the plurality of fastening holes 52 are arranged at intervals along the extension direction of the adjustment groove 51, that is, arranged at intervals along the circumference of the rotating lens barrel 50. The fastening holes 52 can be through holes or blind holes. The fastening holes 52 can be circular holes, rectangular holes, waist-shaped holes, etc.

[0087] After the position of the adjustment block 60 in the adjustment slot 51 is adjusted, the adjustment slot 62 can be detachably connected to one or more fastening holes 52 aligned therewith via the positioning member 70. In this case, the positioning member 70 is separately connected to the adjustment block 60 and the adjustment slot 51 along the depth direction of the adjustment slot 62. The positioning member 70 can be, but is not limited to, a screw, a buckle, a plug buckle, etc.

[0088] By adopting the above scheme, the positioning member 70 can be disassembled to facilitate sliding the adjustment block 60 and adjusting the position of the adjustment block 60 in the adjustment slot 51. After the position of the adjustment block 60 in the adjustment slot 51 is adjusted, the adjustment slot 62 and the fastening hole 52 can be connected via the positioning member 70 to stabilize the position of the adjustment block 60 in the adjustment slot 51. Based on this, the position adjustment and position stability of the adjustment block 60 can be conveniently and quickly performed, and the adjustment convenience and adjustment efficiency can be improved. In addition, the comprehensive design of the adjustment slot 51, the adjustment slot 62, and each fastening hole 52 can facilitate the rough adjustment and fine adjustment of the position of the adjustment block 60 in the adjustment slot 51, thereby improving the adjustment range and adjustment accuracy of the installation position of the adjustment block 60, facilitating the accurate adjustment of the position of the limit convex portion 61 before leaving the factory, facilitating the accurate correction of the installation angle deviation between the rotating lens barrel 50 and the scale barrel 30 before leaving the factory, and improving the focusing accuracy of the optical lens.

[0089] Of course, in other embodiments, the adjustment slot 62 may be changed to a through hole design. Alternatively, the positioning member 70 may be integrally connected to the adjustment block 60, and the adjustment block 60 may omit the adjustment slot 62 or the through hole through which the positioning member 70 is inserted.

[0090] See also Figure 3 , Figure 5In some embodiments of the present application, the first groove 34 and the second groove 35 are arranged opposite to each other along the radial direction of the scale cylinder 30 .

[0091] By adopting the above scheme, by arranging the first groove 34 and the second groove 35 relatively to each other along the radial direction of the scale barrel 30, the layout of the first groove 34 and the second groove 35 can be optimized, the positions of the first scale 311 and the second scale 331 can be conveniently planned and designed, and the indication mark 12 can be conveniently planned and designed to align in the initial state of the optical lens to indicate "the initial value (for example, INF value) of the first scale 311 or the second scale 331 exposed in the display window 11".

[0092] Of course, in other embodiments, the first groove 34 and the second groove 35 may not be arranged opposite to each other along the radial direction of the scale cylinder 30 .

[0093] See also Figure 1 , Figure 3 In some embodiments of the present application, the first housing barrel 10 is provided with two display windows 11, and the two display windows 11 are spaced apart along the axial direction of the first housing barrel 10 and spaced apart along the circumferential direction of the first housing barrel 10. The first ring portion 31 is provided with two first scales 311, and when the first ring portion 31 is sleeved in the first housing barrel 10, the two first scales 311 are exposed one-to-one in the two display windows 11. The second ring portion 33 is provided with two second scales 331, and when the second ring portion 33 is sleeved in the first housing barrel 10, the two second scales 331 are exposed one-to-one in the two display windows 11.

[0094] It should be noted that the first outer cover lens barrel 10 is provided with two display windows 11, and both display windows 11 are arranged through the barrel wall of the first outer cover lens barrel 10. The two display windows 11 are arranged at intervals along the axial direction of the first outer cover lens barrel 10, and the two display windows 11 are arranged at intervals along the circumferential direction of the first outer cover lens barrel 10. The two display windows 11 are arranged on both sides of the first outer cover lens barrel 10 along its radial direction.

[0095] The first ring portion 31 is provided with two first scales 311, the measurement units of the two first scales 311 are the same, and the two first scales 311 are spaced apart along the axial direction of the first ring portion 31. When the first ring portion 31 is sleeved in the first housing lens barrel 10, the two first scales 311 are exposed in the two display windows 11 one by one.

[0096] The second ring portion 33 is provided with two second scales 331, the measurement units of the two second scales 331 are the same, and the two second scales 331 are spaced apart along the axial direction of the first ring portion 31. When the second ring portion 33 is sleeved in the first housing lens barrel 10, the two second scales 331 are exposed in the two display windows 11 one by one.

[0097] By adopting the above scheme, the two first scales 311 or the two second scales 331 can be exposed through the two display windows 11 of the first outer cover barrel 10, so that a single person can read the focus value of the optical lens from different directions, and multiple people can read the focus value of the optical lens from multiple directions at the same time (for example, the photographer and the focus follower obtain the focus value through the two display windows 11 respectively), thereby improving the use performance, use performance, use convenience and use flexibility of the optical lens.

[0098] See also Figure 2 , Figure 6 , Figure 7 In some embodiments of the present application, the limiting protrusion 61 is a plastic part.

[0099] By adopting the above solution, by making the limiting protrusion 61 a plastic part, the friction and wear of the limiting protrusion 61 can be reduced when the limiting protrusion 61 is matched with either the first groove 34 or the second groove 35, thereby extending the service life of the optical lens and improving the use reliability and structural reliability of the optical lens.

[0100] See also Figure 1 Some embodiments of the present application provide a camera, including the optical lens provided by the embodiment of the present application. The optical lens provided by the embodiment of the present application can be installed on the main frame of the camera.

[0101] By adopting the above-mentioned solution, the camera can improve the performance, convenience, flexibility and applicability of the camera by adopting the optical lens provided in the embodiment of the present application.

[0102] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An optical lens, characterized in that: include: A first outer cover lens barrel, wherein a display window is penetrated through a barrel wall of the first outer cover lens barrel; A second outer cover lens barrel is coaxially arranged with the first outer cover lens barrel and spaced apart; A scale barrel comprises a first ring portion, a focus dial and a second ring portion which are arranged in sequence along its axial direction, wherein the outer circumferential surface of the first ring portion is provided with a first scale, and the outer circumferential surface of the second ring portion is provided with a second scale, and the measurement units of the first scale and the second scale are different; one of the first ring portion and the second ring portion is sleeved in the first outer cover barrel, and the corresponding first scale or the second scale is exposed in the display window, and the other of the first ring portion and the second ring portion is sleeved in the second outer cover barrel, and the focus dial is exposed from the gap between the first outer cover barrel and the second outer cover barrel.

2. The optical lens according to claim 1, wherein: The optical lens comprises a rotating lens barrel sleeved in the graduated barrel, the rotating lens barrel is connected to the graduated barrel and rotates synchronously with the graduated barrel; The inner circumferential surface of the graduated cylinder is provided with a first groove and a second groove both extending along the axial direction thereof, the first groove having a first end connected to the outside of the graduated cylinder, and the second groove having a second end connected to the outside of the graduated cylinder; A limiting convex portion is provided on the outer periphery of the rotating lens barrel, and the limiting convex portion is matched with the first groove when the display window exposes the first scale, and the limiting convex portion is matched with the second groove when the display window exposes the second scale.

3. The optical lens according to claim 2, wherein: The first end and the second end are respectively arranged at two opposite ends of the scale cylinder.

4. The optical lens according to claim 3, characterized in that: The first end of the first groove is disposed on the first ring portion, and the second end of the second groove is disposed on the second ring portion.

5. The optical lens according to claim 2, wherein: Along the circumference of the rotating lens barrel, the installation position of the limiting protrusion relative to the rotating lens barrel is adjustable.

6. The optical lens according to claim 5, characterized in that: The outer circumferential surface of the rotating lens barrel is provided with an adjustment groove extending along the circumference thereof, and the optical lens comprises an adjustment block, the adjustment block is slidably connected in the adjustment groove, and the position of the adjustment block in the adjustment groove is stabilized by a positioning member; The limiting convex portion is arranged on one side of the adjusting block facing the notch of the adjusting groove and protrudes from the notch of the adjusting groove.

7. The optical lens according to claim 6, wherein: The bottom of the adjustment groove is provided with a plurality of fastening holes arranged at intervals along its extension direction, the adjustment block is provided with an adjustment groove, the extension direction of the adjustment groove corresponds to the extension direction of the adjustment groove, the adjustment groove is arranged through along its own groove depth direction, and the adjustment groove is detachably connected to at least one of the fastening holes through the positioning piece.

8. The optical lens according to any one of claims 2 to 7, characterized in that: The first groove and the second groove are arranged opposite to each other along the radial direction of the scale cylinder.

9. The optical lens according to any one of claims 1 to 7, characterized in that: The first outer cover lens barrel is provided with two display windows, and the two display windows are spaced apart along the axial direction of the first outer cover lens barrel and spaced apart along the circumferential direction of the first outer cover lens barrel; The first ring portion is provided with two first scales, and when the first ring portion is sleeved in the first outer cover lens barrel, the two first scales are exposed in the two display windows one by one; The second ring portion is provided with two second scales. When the second ring portion is sleeved in the first outer cover lens barrel, the two second scales are exposed in the two display windows one by one.

10. A camera, characterized in that: Comprising the optical lens as described in any one of claims 1-9.

Images