Zoom film and television lamp

Abstract

The utility model provides a zoom film and television lamp. The zoom film and television lamp comprises a lamp body, a first control and a second control. Wherein the first control comprises a first shell and a first lens arranged in the first shell. The first shell is connected to the lamp body. The first lens can move relative to the first shell so as to be relatively close to or far away from the lamp body, so that the distance between the first lens and the lamp body is adjustable, and zooming is achieved. The second control comprises a second shell and a second lens. The second shell is detachably connected to the first shell. And the second shell can be folded, so that the second lens can be relatively close to or far away from the first lens, and the distance between the second lens and the lamp body can be adjusted to realize zooming. It can be understood that the second control can perform secondary focusing on the light focused by the first control, so that a user can obtain a larger zoom range and more diversified lighting effects.

Description

Technical Field

[0001] The utility model relates to the field of photographic equipment, in particular to a zoom film and television lamp. Background Art

[0002] Cinema lights, also known as video lights or camera lights, are commonly used lighting equipment during filming, providing stable lighting for the scene. Zoom cinema lights are equipped with a focusing device that adjusts the light to achieve different lighting effects and illumination ranges, thereby better meeting filming needs.

[0003] However, the focusing ranges of the focusing devices on the market are all limited, and users often need to replace focusing devices with different focal lengths to meet certain special scenes or different shooting requirements, which is inconvenient to operate. Utility Model Content

[0004] One purpose of the present invention is to solve the deficiencies in the prior art and to provide a zoom video light that can increase the focusing range and is easy to operate.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A zoom movie light, comprising:

[0007] The lamp body is capable of emitting light;

[0008] A first control, comprising a first housing and a first lens disposed inside the first housing; the first housing is connected to the lamp body, and the first lens is movable relative to the first housing to move closer to or farther from the lamp body, such that the distance between the first lens and the lamp body is adjustable to achieve zoom;

[0009] The second control includes a second shell and a second lens. The second shell is detachably connected to the first shell. The second lens is arranged on the second shell. The second shell is foldable so that the second lens can be relatively close to or away from the first lens, so that the distance between the second lens and the lamp body can be adjusted to achieve zoom.

[0010] In an exemplary embodiment, the second housing is a flexible member.

[0011] In an exemplary embodiment, the shell includes a plurality of foldable folding segments, and adjacent folding segments can be bent relative to each other, so that the plurality of folding segments can be folded in sequence.

[0012] In an exemplary embodiment, the wall thickness at the junction of two adjacent folded segments is smaller than the wall thickness of the folded segments.

[0013] In an exemplary embodiment, the second shell includes three folding segments connected in sequence, and the three folding segments are respectively a first folding segment, a second folding segment and a third folding segment; the end of the first folding segment facing away from the second folding segment is connected to the first shell of the first control, and the end of the third folding segment facing away from the second folding segment is connected to the second lens.

[0014] In an exemplary embodiment, the first folding segment, the second folding segment, and the third folding segment are all cylindrical structures, and radial dimensions of the three folding segments gradually increase from the first folding segment toward the third folding segment.

[0015] In an exemplary embodiment, the outer contour of the third folding section is cylindrical; the first folding section and the second folding section can be folded into the interior of the third folding section, so that the outer contour of the second shell is cylindrical.

[0016] In an exemplary embodiment, the zoom movie light further includes a chuck, and the first folding section is connected to the first housing via the chuck;

[0017] An annular groove is provided on the outer periphery of the chuck. The first shell includes a connecting portion provided at the end of the first shell away from the lamp body. The connecting portion can be clamped in the annular groove to install the first folding section on the first shell.

[0018] In an exemplary embodiment, the connecting portion includes a connecting body and a plurality of sliders, wherein the plurality of sliders are arranged at intervals along the circumference of the connecting body, and the sliders can move relative to the connecting body along the radial direction of the connecting body to enclose and form an interface that can adapt to connecting the second controls of different sizes.

[0019] In an exemplary embodiment, the second shell has an extended state and a folded state; the two ends of the second folding segment are respectively a large round end and a small round end; the two ends of the third folding segment are respectively a first end and a second end, and the first end is connected to the large round end of the second folding segment;

[0020] When the second shell is in an extended state, the small round end is located outside the third folding section; when the second shell is in a folded state, the small round end is located between the first end and the second end.

[0021] It can be seen from the above technical solution that the present invention has at least the following advantages and positive effects:

[0022] The zoom movie light in the present invention includes a lamp body, a first control, and a second control. The first control includes a first shell and a first lens arranged inside the first shell. The first shell is connected to the lamp body. The first lens can move relative to the first shell to move relatively close to or away from the lamp body, so that the distance between the first lens and the lamp body can be adjusted to achieve zoom. The second control includes a second shell and a second lens. The second shell is detachably connected to the first shell. The second shell is foldable, so that the second lens can move relatively close to or away from the first lens, so that the distance between the second lens and the lamp body can be adjusted to achieve zoom. It can be understood that the second control can perform a second focus on the light focused by the first control, so that the user can obtain a larger zoom range and more diverse lighting effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a zoom movie light according to one embodiment of the present invention.

[0024] Figure 2 yes Figure 1 The exploded view of the zoom cinema light is shown.

[0025] Figure 3 yes Figure 1 An exploded view of the zoom cinema light from another perspective is shown.

[0026] Figure 4 yes Figure 3 A three-dimensional diagram of the first control in the zoom movie light is shown.

[0027] Figure 5 yes Figure 2 The zoom movie light shown is a partial enlarged view of point A.

[0028] Figure 6 yes Figure 1 The second control of the zoom movie light is shown in a three-dimensional image in an extended state.

[0029] Figure 7 yes Figure 6 A perspective view of the second control from another perspective is shown.

[0030] Figure 8 yes Figure 7 Cross-section along direction BB.

[0031] Figure 9 yes Figure 1 The second control is shown in a perspective view in a folded state.

[0032] Figure 10 yes Figure 9 A perspective view of the second control from another perspective is shown.

[0033] Figure 11 yes Figure 10 Cross-section along CC direction.

[0034] Figure 12 yes Figure 11 A partial enlarged view of point D in the middle.

[0035] Description of the reference numerals is as follows: 10, lamp body; 11, receiving groove; 12, positioning notch; 13, limiting groove; 20, first control; 21, first shell; 211, main body; 2111, light input end; 2112, light output end; 212, protruding edge; 213, bump; 214, connecting portion; 2141, connecting body; 2142, slider;

[0036] 30. Second control; 31. Second shell; 311. First folding section; 3111. First body; 3112. Flange; 312. Second folding section; 3121. Second body; 3122. Large round end; 3123. Small round end; 313. Third folding section; 3131. Third body; 3132. First wall; 3133. Second wall; 3134. Card slot; 3135. First end; 3136. Second end; 32. Chuck; 321. Ring groove; 322. Groove; 33. Second lens; 34. Crease; 35. Transition layer. DETAILED DESCRIPTION

[0037] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention is capable of various variations in different embodiments without departing from the scope of the present invention, and that the descriptions and illustrations herein are intended to be illustrative in nature and not to limit the present invention.

[0038] In the description of this application, it should be understood that in the embodiments shown in the drawings, indications of directions or positional relationships (such as up, down, left, right, front, and back) are merely for the convenience of describing this application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the indications of these directions will also change accordingly.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the described features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0040] This embodiment provides a zoom film and television light, which is easy to operate and can increase the zoom range of the film and television light to obtain more diverse lighting effects. The specific solution is described in the following embodiments.

[0041] See also Figure 1 The zoom film light of this embodiment includes a lamp body 10 , a first control 20 and a second control 30 .

[0042] The lamp body 10 can emit light.

[0043] See also Figures 1 to 3 The first control 20 is connected to the lamp body 10. In some embodiments of the present application, the first control 20 includes a first housing 21. The first housing 21 is a cylindrical structure. The cylindrical structure of the first housing 21 can further concentrate the light and constrain the shape of the light emitted by the lamp body 10, so that the emitted light can form a fixed-shaped light spot on a plane.

[0044] See also Figure 4 Combined with Figure 2 The first housing 21 includes a main body 211 and a flange 212. The main body 211 has a light input end 2111 and a light output end 2112, respectively. It is understood that light emitted by the lamp body 10 enters the light input end 2111 of the main body 211 and exits from the light output end 2112 of the main body 211. The flange 212 is circular and is provided on the light input end 2111 of the main body 211. Along the axis of the first housing 21, the flange 212 extends away from the light output end 2112.

[0045] The first housing 21 further includes a plurality of protrusions 213 . The protrusions 213 are spaced apart along the circumference of the ridge 212 . In the axial direction perpendicular to the first housing 21 , each protrusion 213 extends away from the center of the first housing 21 .

[0046] The first housing 21 is connected to the lamp body 10 through the convex edge 212 and the protrusion 213. Figure 5 Combined with Figure 4 The end of the lamp body 10 connected to the first housing 21 is provided with a receiving groove 11, a plurality of positioning notches 12, and a plurality of limiting grooves 13. The ridge 212 can be accommodated in the receiving groove 11, and the protrusion 213 can be locked in the limiting groove 13. The plurality of positioning notches 12 are spaced apart along the circumference of the lamp body 10, and the distance between two adjacent positioning notches 12 is equal to the distance between two adjacent protrusions 213, so that the positioning notches 12 can be aligned with the protrusions 213.

[0047] Each positioning notch 12 is adjacent to a retaining groove 13, which intersects the positioning notch 12. The notch 13 faces the axis of the lamp body 10. After the first housing 21 is mounted on the lamp body 10, the protrusion 213 can be locked into the retaining groove 13, effectively preventing the first housing 21 from falling off and ensuring a stable connection between the first housing 21 and the lamp body 10.

[0048] The steps for the user to install the first shell 21 on the lamp body 10 are as follows: first align the protrusion 213 on the light-emitting end 2112 of the main body 211 with the positioning notch 12; then move the second shell 31 toward the lamp body 10 until the protrusion 212 on the light-emitting end 2112 is accommodated in the receiving groove 11 on the lamp body 10; then rotate the first shell 21 to lock the protrusion 213 in the limiting groove 13, thereby realizing the connection between the first shell 21 and the lamp body 10.

[0049] It should be noted that the connection between the first control 20 and the lamp body 10 in this embodiment is a snap-fit ​​connection. In other embodiments, the first control 20 and the lamp body 10 may also be connected by threads, magnetic components, etc. The specific connection can be configured according to actual needs, as long as the first control 20 can be securely mounted on the lamp body 10. This is not a limitation here.

[0050] The first control 20 is capable of focusing the light emitted by the lamp body 10. Specifically, the first control 20 includes a first lens (not shown). The first lens is disposed within the first housing 21. The first lens can move relative to the first housing 21 to move closer to or further away from the lamp body 10, allowing the distance between the first lens and the lamp body 10 to be adjusted to achieve variable focus of the light.

[0051] The specific focusing method of the first control 20, that is, the method of controlling the first lens to be relatively close to or away from the lamp body 10, can refer to the focusing device in the prior art. For example, the first shell 21 includes a front shell and a rear shell. The front shell is arranged near the lamp body 10. The first lens is fixedly arranged inside the rear shell. The front shell and the rear shell are connected by threads, and the end of the front shell is at least partially accommodated inside the rear shell. Rotating the rear shell in the forward direction can move the rear shell away from the front shell, thereby driving the first lens relatively away from the lamp body 10; rotating the rear shell in the reverse direction can move the rear shell towards the front shell, thereby driving the first lens relatively close to the lamp body 10.

[0052] It should be noted that the first lens refers to the lens group disposed in the first housing 21, and does not mean that there is only one lens. The arrangement of multiple lenses can achieve more refined adjustment of light.

[0053] See also Figure 6 Combined with Figure 2, the second control 30 is detachably connected to the first control 20.

[0054] Specifically, the second control 30 includes a second housing 31 and a chuck 32. The chuck 32 is connected to an end of the second housing 31. The second housing 31 is connected to the first housing 21 of the first control 20 through the chuck 32.

[0055] Furthermore, an annular groove 321 is formed on the outer periphery of the chuck 32. The first housing 21 also includes a connecting portion 214. The connecting portion 214 is disposed at the end of the first housing 21 facing away from the lamp body 10, that is, the connecting portion 214 is disposed at the light-emitting end 2112 of the first housing 21. The connecting portion 214 can engage the annular groove 321 to mount the second housing 31 on the first housing 21.

[0056] In some embodiments of the present application, the connection portion 214 includes a connection body 2141 and a plurality of sliders 2142. The connection body 2141 is fixedly mounted on the light-emitting end 2112 of the first housing 21 by screws. The plurality of sliders 2142 are movably disposed on the connection body 2141, and the plurality of sliders 2142 are spaced apart along the circumference of the connection body 2141. The sliders 2142 can move relative to the connection body 2141 along the radial direction of the connection body 2141 to enclose an interface that can adapt to connecting second controls 30 of different sizes. This arrangement makes the connection portion 2144 easy to use and versatile.

[0057] Furthermore, the connecting portion 214 also includes a turntable (not shown). The turntable is rotatably disposed between the connecting body 2141 and the first shell 21. A guide groove is provided on the turntable. There is an angle between the extension trajectory of the guide groove and the rotation trajectory of the turntable. The end of the slider 2142 is accommodated in the guide groove. When the turntable rotates, the slider 2142 can move along the extension direction of the guide groove, so that the slider 2142 moves in a direction away from or close to the axis of the first shell 21, so that the ends of multiple sliders 2142 can be enclosed to form interfaces of different calibers, and adapted to connect second controls 30 of different sizes.

[0058] The second housing 31 is a flexible component. It can be made of a flexible material such as rubber or silicone. Its light weight prevents the cinema light from tipping over due to a heavy load and unstable center of gravity when the second housing 31 is mounted on the first control 20. The chuck 32 can also be a flexible component to further reduce the weight of the second control 30 and ensure the overall stability of the zoom cinema light.

[0059] See also Figure 7 and Figure 8 The second control 30 includes a second lens 33. The second lens 33 is provided on the second housing 31.

[0060] It should be noted that the second lens 33 may be a Fresnel lens. This arrangement enables the light to be emitted as parallel light, increases the brightness of the light spot, and ensures uniform brightness across the light spot.

[0061] The second housing 31 is foldable, allowing the second lens 33 to move relatively close to or away from the first lens, making the distance between the second lens 33 and the lamp body 10 adjustable to achieve zoom. It can be understood that the foldable configuration of the second lens 33 and the second housing 31 allows the second control 30 to refocus the light focused by the first control 20, thereby achieving a wider zoom range and more diverse lighting effects.

[0062] In some embodiments of the present application, the second housing 31 includes multiple foldable segments, each of which can be bent relative to the other, allowing the multiple segments to be folded sequentially. The second lens 33 is located within the foldable segment away from the first housing 21, so that when the multiple segments are folded, the second lens 33 can be moved closer to or further away from the first lens.

[0063] It is understood that the provision of multiple foldable segments allows the second housing 31 to have an extended state and a collapsed state. It should be noted that the collapsed state here refers to the state in which the multiple foldable segments are completely collapsed, and the extended state refers to the state in which the multiple foldable segments are fully extended. If the number of foldable segments is greater than three, in addition to the extended and collapsed states, the second housing 31 also has a partially extended or partially collapsed state.

[0064] In addition, the number of specific folding sections can be set according to actual needs and is not limited here. This embodiment is described by taking the case where there are three folding sections as an example.

[0065] Continue to see Figure 8 Combined with Figure 2 The three folding sections are connected in sequence, namely the first folding section 311, the second folding section 312, and the third folding section 313. The end of the first folding section 311 facing away from the second folding section 312 is connected to the first housing 21 of the first control 20, and the end of the third folding section 313 facing away from the second folding section 312 is connected to the second lens 33.

[0066] The first folding section 311 , the second folding section 312 and the third folding section 313 are all cylindrical structures.

[0067] In some embodiments of the present application, the outer contour of the third folding section 313 is cylindrical. Figure 9 and Figure 10 When the second shell 31 is in the folded state, the first folding section 311 and the second folding section 312 can be folded into the interior of the third folding section 313, so that the outer contour of the second shell 31 is cylindrical.

[0068] See also Figure 6 and Figure 7 When the second shell 31 is in an extended state, the radial dimensions of the three folding segments gradually increase from the first folding segment 311 toward the third folding segment 313 , so that the radial dimension of the light spot can be expanded on the basis of the first control 20 .

[0069] In other embodiments, the radial dimensions of the three folded segments may gradually decrease from the first folded segment 311 toward the third folded segment 313, thereby reducing the radial dimension of the light spot based on the first control 20. Alternatively, the radial dimensions of the three folded segments may remain substantially the same, without changing the size of the light spot formed after the light passes through the first control 20. The specific configuration may be based on actual needs and is not limited here.

[0070] See also Figure 8 and Figure 11 For ease of description, the body of the first folding segment 311 is defined as a first body 3111 , the body of the second folding segment 312 is defined as a second body 3121 , and the body of the third folding segment 313 is defined as a third body 3131 .

[0071] The aforementioned chuck 32 is provided on the first body 3111. In some embodiments of the present application, the chuck 32 is clamped on the first body 3111. Specifically, a groove 322 (not shown) is further provided on the outer periphery of the chuck 32. The groove 322 and the annular groove 321 are spaced apart along the axial direction of the second control 30. A flange 3112 is provided on the inner periphery of one end of the first body 3111 close to the first shell 21. The flange 3112 can be clamped in the groove 322, thereby achieving a stable connection between the chuck 32 and the first folding section 311.

[0072] The second lens 33 is disposed at one end of the third folding section 313 away from the second folding section 312. Specifically, along the axial direction of the third folding section 313, a first wall 3132 and a second wall 3133 are spaced apart on the inner periphery of the third body 3131. The first wall 3132 and the second wall 3133 extend toward the center of the third folding section 313. The first wall 3132, the second wall 3133, and the third body 3131 together form a slot 3134 that opens toward the center of the third folding section 313. The outer periphery of the second lens 33 can be snapped into the slot 3134, thereby connecting the second lens 33 to the third folding section 313.

[0073] The wall thickness at the junction of two adjacent folding sections is thinner than the wall thickness of the folding sections, to facilitate folding of the folding sections. Specifically, in this embodiment, the wall thickness at the junction of the first body 3111 and the second body 3121 is thinner than the wall thickness of the first body 3111 and the second body 3121, and the wall thickness at the junction of the second body 3121 and the third body 3131 is thinner than the wall thickness of the second body 3121 and the third body 3131.

[0074] For ease of description, the junction of two adjacent folding segments is defined as a fold 34. The fold 34 between the two adjacent folding segments allows the two adjacent folding segments to be bent.

[0075] Specifically, the two ends of the second folding section 312 are respectively a large round end 3122 and a small round end 3123. The two ends of the third folding section 313 are respectively a first end 3135 and a second end 3136. The first end 3135 is connected to the large round end 3122 of the second folding section 312. Figure 8 The cross-sectional view of the second control 30 is shown in FIG. 3 , wherein the second housing 31 is in an extended state, and the small round end 3123 of the second folding section 312 is located outside the third folding section 313. Figure 11 The cross-sectional view of the second control 30 shown shows the second housing 31 in a collapsed state, with the small rounded end 3123 positioned between the first end 3135 and the second end 3136. This means that when the second housing 31 is collapsed from the extended state, the second foldable segments 312 are symmetrically arranged about the fold 34 between the second and third foldable segments 312, 313, and move the third foldable segment 313 toward the first foldable segment 311.

[0076] See also Figure 11 and Figure 12 In some embodiments of the present application, each folding segment further includes a transition layer 35. One end of the transition layer 35 is connected to the end of the main body of the folding segment, and the other end of the transition layer 35 is a fold 34. The wall thickness of the transition layer 35 gradually decreases from the main body of the folding segment toward the fold 34.

[0077] Specifically, transition layers 35 are provided at both ends of the second body 3121 of the second folding segment 312 , and a transition layer 35 is provided at the end of the first body 3111 of the first folding segment 311 close to the second folding segment 312 .

[0078] This arrangement can prevent interference between two adjacent folding sections at the joints after the multiple folding sections are folded, which helps to ensure the stability of the second shell 31 after folding.

[0079] In some embodiments, the folding section provided with the second lens 33 may not include the transition layer 35 to enhance the structural strength of the folding section. Specifically in this embodiment, the third folding section 313 does not include the transition layer 35.

[0080] For the zoom movie light of the present application, the first control 20 can focus the light emitted by the lamp body 10. The second control 30 is detachably connected to the first control 20, and the second shell 31 of the second control 30 is foldable, so that the second lens 33 on the second shell 31 can be relatively close to or away from the first lens, so that the distance between the second lens 33 and the lamp body 10 can be adjusted to achieve zoom. It can be understood that the second control 30 can perform a second focus on the light focused by the first control 20, so that the user can obtain a larger zoom range and more diverse lighting effects. According to implementation needs, when the first control 20 cannot meet the lighting effect requirements to be achieved in the shooting scene, the user can install the second control 30 on the first control 20 to obtain a larger zoom range and more diverse lighting effects.

[0081] The above embodiments are merely exemplary descriptions of the structures. The structures in the embodiments are not fixed combination structures. In the absence of structural conflicts, the structures in multiple embodiments can be used in any combination.

[0082] While the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A zoom movie light, characterized in that: The zoom movie light includes: The lamp body is capable of emitting light; A first control, comprising a first housing and a first lens disposed inside the first housing; the first housing is connected to the lamp body, and the first lens is movable relative to the first housing to move closer to or farther from the lamp body, such that the distance between the first lens and the lamp body is adjustable to achieve zoom; The second control includes a second shell and a second lens. The second shell is detachably connected to the first shell. The second lens is arranged on the second shell. The second shell is foldable so that the second lens can be relatively close to or away from the first lens, so that the distance between the second lens and the lamp body can be adjusted to achieve zoom.

2. The zoom movie light according to claim 1, characterized in that: The second shell is a flexible member.

3. The zoom movie light according to claim 1, characterized in that: The shell includes a plurality of foldable folding segments, and adjacent folding segments can be bent relative to each other, so that the plurality of folding segments can be folded in sequence.

4. The zoom movie light according to claim 3, characterized in that: The wall thickness at the junction of two adjacent folding sections is smaller than the wall thickness of the folding sections.

5. The zoom movie light according to claim 3, characterized in that: The second shell includes three folding segments connected in sequence, and the three folding segments are a first folding segment, a second folding segment and a third folding segment; the end of the first folding segment facing away from the second folding segment is connected to the first shell of the first control, and the end of the third folding segment facing away from the second folding segment is connected to the second lens.

6. The zoom movie light according to claim 5, characterized in that: The first folding segment, the second folding segment, and the third folding segment are all cylindrical structures. From the first folding segment toward the third folding segment, radial dimensions of the three folding segments gradually increase.

7. The zoom movie light according to claim 6, characterized in that: The outer contour of the third folding section is cylindrical; the first folding section and the second folding section can be folded into the interior of the third folding section, so that the outer contour of the second shell is cylindrical.

8. The zoom movie light according to claim 6, characterized in that: The zoom movie light further includes a chuck, and the first folding section is connected to the first shell via the chuck; An annular groove is provided on the outer periphery of the chuck. The first shell includes a connecting portion provided at the end of the first shell away from the lamp body. The connecting portion can be clamped in the annular groove to install the first folding section on the first shell.

9. The zoom movie light according to claim 8, characterized in that: The connecting portion includes a connecting body and a plurality of sliders, wherein the plurality of sliders are arranged at intervals along the circumference of the connecting body, and the sliders can move relative to the connecting body along the radial direction of the connecting body to enclose and form an interface that can adapt to connect the second controls of different sizes.

10. The zoom movie light according to claim 5, characterized in that: The second shell has an extended state and a folded state; the two ends of the second folding section are respectively a large round end and a small round end; the two ends of the third folding section are respectively a first end and a second end, and the first end is connected to the large round end of the second folding section; When the second shell is in an extended state, the small round end is located outside the third folding section; when the second shell is in a folded state, the small round end is located between the first end and the second end.

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