16 results about "Teleconverter" patented technology

The utility model relates to the technical field of camera focusing, and provides a lens focusing device, which comprises a focusing lens and a focusing assembly, the focusing assembly is provided with a light through hole penetrating through two sides of the focusing assembly, and the light through hole is coaxial with the rotation axis of the focusing assembly. A first connecting part and a second connecting part are arranged on the two sides of the focusing assembly respectively, the focusing lens is detachably arranged on the first connecting part, and the second connecting part is used for being connected with a to-be-adjusted lens. The lens focusing device provided by the utility model is used for solving the defect of alternately executing focusing and imaging verification in the prior art, and the focusing lens is integrated in the focusing assembly, so that an external teleconverter does not need to be repeatedly moved in the focusing operation, and an operator can synchronously complete focal length adjustment and imaging verification only by adjusting the focusing assembly. And positioning error accumulation caused by multiple times of displacement of the teleconverter is avoided.

The invention aims to provide a dual-camera focusing and focus checking system based on a UVC mode, and the system achieves the automatic switching of an equivalent test distance between a main camera and an auxiliary camera through a cooperative control mechanism of an electric sliding rail type Chart platform and a teleconverter module. MTF threshold tables corresponding to different test stages are called according to different test stages of focusing, focus checking, final inspection and the like of the camera, so that the MTF values of the different test stages are compared; through adaptive focusing and focus checking of the double cameras based on the UVC mode, the cameras delivered to a user can work in an optimal use state.

An additional teleconverter lens of a mobile phone comprises seven lenses. The first lens R1 is equal to 28.5 to 29.5, and the second lens R2 is equal to 95.5 to 96.5; the second lens R1 is equal to infinity, and R2 is equal to 42-43; the R1 of the third lens ranges from 19.5 to 20.5, and the R2 of the third lens ranges from 109.5 to 110.5; a fourth lens R1 is equal to 109.5 to 110.5, and R2 is equal to 15 to 16; a fifth lens R1 is equal to 15 to 16, and R2 is equal to 199.5 to 200.5; the sixth lens R1 is equal to 31.5 to 32.5, and the sixth lens R2 is equal to 10 to 11; and the seventh lens R1 is equal to 17 to 18, and R2 is equal to 64 to 65. The additional teleconverter lens of the mobile phone is high in definition when the mobile phone is matched with an external lens to shoot remote portraits.

The application discloses a teleconverter lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, a twelfth lens, a thirteenth lens, a fourteenth lens and a fifteenth lens arranged in sequence along an optical axis from an object plane to an image plane, wherein the first lens and the second lens are cemented, the third lens and the fourth lens are cemented, the seventh lens and the eighth lens are cemented, the tenth lens and the eleventh lens are cemented, and the thirteenth lens and the fourteenth lens are cemented. The teleconverter lens provided by the embodiment of the application realizes multiple performances such as 3.36 times high magnification, F2.63 large aperture and distortion lower than 0.6% through the structural design of 15 lenses and the matching of the focal power of each lens, and meanwhile, the total length of the teleconverter lens is controlled within 105 mm, so that the telephoto experience with high performance and portability is provided for users.

The utility model discloses a teleconverter lens which comprises a system front group and a system rear group. The system front group comprises a first lens group and a second lens group, and the system rear group comprises a third lens group and a fourth lens group; the first lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from the object plane to the image plane along the optical axis; the second lens group comprises a sixth lens, a seventh lens, an eighth lens and a ninth lens which are sequentially arranged from the object plane to the image plane along the optical axis; the third lens group comprises a tenth lens and an eleventh lens which are sequentially arranged from the object plane to the image plane along the optical axis; the fourth lens group comprises a twelfth lens and a thirteenth lens; the focal length fz1 of the first lens group and the focal length fz2 of the second lens group satisfy 0.8200 lt; fz1 / fz2lt; the focal length fz3 of the third lens group and the focal length fz4 of the fourth lens group satisfy 1.6800 lt; fz3 / fz4lt; and 7.3000). Therefore, the lengths of front and back groups of the system can be reduced, the total length of the system is less than 120mm, and the characteristic of short total length of the system is achieved.

The invention discloses a laser debugging device, and relates to the technical field of laser, the laser debugging device is used for debugging the relative position of a laser diode and a shell, the laser debugging device comprises a mounting plate, a fixing assembly, a position adjusting assembly, a distance increasing lens and a receiving camera, the fixing assembly is arranged on the mounting plate, and the fixing assembly is provided with a first fixing position; the first fixing position is used for fixing the shell; the position adjusting assembly is arranged on the mounting plate and located on one side of the fixing assembly, the position adjusting assembly is provided with a second fixing position, the second fixing position is used for placing the laser diode, and the position adjusting assembly is used for adjusting the relative position of the laser diode and the shell; the distance increasing lens is arranged on the fixing assembly and used for increasing the distance of laser emitted by the laser diode. The receiving camera is arranged on the side, away from the position adjusting assembly, of the fixing assembly, located at the focal point of the distance increasing lens and used for receiving light spots emitted by the laser diode. According to the technical scheme provided by the invention, the size of the debugging device is reduced while long-distance light spot testing is realized at a short distance.

1. Name of the product in this design: Action Camera Teleconverter. 2. Purpose of this design: For use in action camera lenses. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to AOA multi-group lens AA equipment, which is used for optically aligning a G1 lens, a G2 lens and a Prism, and comprises a base module, and an SUT module is slidably arranged on the base module and is used for bearing and adjusting the posture of the Prism; the SUT module is provided with a Prism jig used for placing a Prism; the G1 feeding module is arranged on the base module, is located on one side of the SUT module and is used for adsorbing, moving and adjusting the posture of the G1 lens; the G2 feeding module is arranged on the base module in a sliding mode, located on the side, away from the G1 feeding module, of the SUT module and used for adsorbing, moving and adjusting the posture of the G2 lens. The teleconverter module is arranged on the base module and corresponds to the Prism jig; the G1 feeding module and the G2 feeding module transfer a G1 lens and a G2 lens to the Prism jig respectively, the teleconverter module is used for collecting optical images of the Prism, the G1 lens and the G2 lens, and pose adjustment is carried out through the SUT module, the G1 feeding module and the G2 feeding module, so that optical axes of the Prism, the G1 lens and the G2 lens coincide and are aligned, and the optimal optical performance of a final finished product is achieved.

This invention discloses a phase-shift detection autofocus device and method using dual-wedge plate modulation, relating to the field of image processing technology. The device includes a beam splitter, a teleconverter, dual wedge plates, a first tube mirror, a second tube mirror, a monochrome image sensor, and a color image sensor. The beam splitter divides the original sample optical path acquired by the microscope objective into an imaging optical path and a focusing optical path. The optical axis of the imaging optical path is aligned with the optical axis of the objective lens. The first tube mirror and the color image sensor are sequentially arranged along the imaging optical path. The teleconverter, dual wedge plates, second tube mirror, and monochrome image sensor are sequentially arranged along the focusing optical path. The two wedge plates in the dual wedge plates are equidistant from the optical axis of the focusing optical path. The dual wedge plates are used to modulate the light rays on the left and right halves of the focusing optical path, thereby providing a phase-shift detection autofocus device that combines focusing direction discrimination capability, high focusing accuracy, and a large focusing range.

The invention discloses a teleconverter lens and an imaging system, and relates to the technical field of photography. The teleconverter lens comprises a shell, a first lens group and a second lens group, the first lens group and the second lens group are located in the shell, the first lens group and the second lens group are sequentially arranged from an object plane to an image plane along an optical axis, the first lens group has positive focal power, the second lens group has negative focal power, and the second lens group has positive focal power. The total focal length of the teleconverter lens is the difference between the absolute value of the positive focal power of the first lens group and the absolute value of the negative focal power of the second lens group, and the first lens group can reciprocate along the optical axis relative to the second lens group to achieve focusing. By adopting the teleconverter lens and the imaging system, the total optical length of the lens can be reduced, and the imaging quality can be improved.

The invention discloses a teleconverter-based camera module optical axis calibration and distance simulation tool, and relates to the field of security monitoring, the teleconverter-based camera module optical axis calibration and distance simulation tool comprises a base and a camera module, the top of the base is provided with a horizontal lead screw mechanism, and an output structure of the horizontal lead screw mechanism is provided with a vertical lead screw mechanism in a transmission manner; a vertical lead screw mechanism is arranged on the base, an output structure of the vertical lead screw mechanism is in transmission connection with a camera mounting seat, an optical assembly is arranged at the top of one side of the base and comprises a three-order distance increasing clamping seat and a distance increasing lens, the distance increasing lens is arranged on the inner side of the top of the three-order distance increasing clamping seat in a sleeving mode, and the bottom of the three-order distance increasing clamping seat is fixed to the top of one side of the base. When the camera module optical axis calibration and distance simulation tool based on the teleconverter is used, the problem that ideal calibration of a telephoto lens cannot be achieved within a short distance can be successfully solved by accurately adjusting the positions of the camera module and the teleconverter, and the camera module optical axis calibration and distance simulation tool based on the teleconverter is particularly suitable for application scenes such as security monitoring, road monitoring and night imaging.

The invention relates to full-automatic four-station periscopic AA equipment which comprises a rack, a PCB feeding module, an LENS feeding module, a four-station periscopic AA module, an NG tray module and a control system are arranged on the rack, the PCB feeding module comprises a PCB feeding rail and a PCB supply module, the LENS feeding module comprises an LENS Tray feeding module, the LENS Tray feeding module is fixed to the rack through countersunk bolts, and the NG tray module is fixed to the rack through the countersunk bolts. And a conveying track of the LENS Tray feeding module is aligned with a feeding hole of the four-station periscope AA module. According to the invention, the PCB feeding function, the LENS feeding function, the four-station processing function and the NG material collecting function are integrated through the rack, so that a complete automatic process is formed; the light path assembly adopts a design that a teleconverter and a 45-degree reflecting prism are separated, so that the white board detection module can be arranged between the teleconverter and a product to synchronously detect smudginess and an optical center, and compared with an integrated structure, the product yield is remarkably improved; four stations cooperate to improve the production efficiency, and the large-scale production requirement is met.

The application relates to the technical field of camera modules, in particular to a motor testing method and system, the method comprising the following steps: S100, a module is controlled to move to a test position under a laser head, the value of a laser reading device is acquired, and the position of the module when the value of the laser reading device is within a preset laser reading range is recorded as a hysteresis test position; S200, the module is controlled to move to a preset focusing distance range of a magnification lens, and the position of the module is recorded as a focusing test position; S300, a light source assembly is built; S400, a component to be tested is placed in a test position of a test fixture; S500, the test fixture is controlled to move to the hysteresis test position, and motor hysteresis testing and stable time testing are performed on the component to be tested; S600, the test fixture is controlled to move to the focusing test position, and automatic focusing testing is performed on the component to be tested; and S700, an abnormality analysis result is generated. According to the scheme, the testing efficiency can be improved, the labor cost can be reduced, and the component to be tested can be prevented from being damaged due to multiple installation, disassembly and transfer during the testing process.

The invention relates to a teleconverter anti-shake method and device, electronic equipment, a storage medium and a program product. The method comprises the following steps: acquiring an angular velocity sequence of the electronic equipment in a shooting process; the angular velocity sequence comprises an angular velocity at the current moment and angular velocities at a plurality of historical moments before the current moment; based on the angular velocity sequence, determining a target jitter frequency and a target jitter angle corresponding to the next moment of the current moment; determining a target gain corresponding to the target jitter frequency and the target jitter angle based on a corresponding relationship among the reference jitter frequency, the reference jitter angle and the reference gain; and carrying out optical image stabilization on a teleconverter in the electronic equipment based on the target gain. By adopting the method, the anti-shake effect of the teleconverter can be improved.

The invention discloses a teleconverter, and relates to the technical field of optical lenses, the teleconverter is composed of a first lens, a second lens, a third lens and a fourth lens, and the first lens, the second lens, the third lens and the fourth lens are sequentially arranged along an optical axis from an object side to an image side; the first lens has positive focal power, the second lens has negative focal power, the third lens has positive focal power, and the fourth lens has negative focal power; the first lens and the second lens are arranged at intervals, the second lens and the third lens form a bonded lens, and the third lens and the fourth lens are arranged at intervals. The teleconverter disclosed by the invention can be matched with various focal lengths and can meet the use of more lenses.

The invention relates to the field of SFR detection, and particularly discloses SFR detection equipment, an X-axis guide rod of a horizontal moving mechanism is fixed on a first flat plate, a Y-axis guide rod is fixed on a second flat plate, the second flat plate is connected to the X-axis guide rod in a sliding mode through a sliding block in the X direction, and a third flat plate is connected to the Y-axis guide rod in a sliding mode through a sliding block in the Y direction. The rotating mechanism comprises a sliding table fixing base and a rotating sliding table which are rotationally connected in the Z direction, and the sliding table fixing base is fixed to the third flat plate. The module mounting mechanism is fixed on the rotary sliding table, and the module mounting mechanism is used for mounting and fixing a to-be-tested camera module. The teleconverter mounting mechanism comprises a supporting plate, a Z-axis guide rod and a teleconverter lens, the supporting plate is located over the second flat plate in the Z direction, one end of the Z-axis guide rod is fixed to the second flat plate, the other end of the Z-axis guide rod is fixed to the supporting plate, and the teleconverter lens is connected to the Z-axis guide rod, so that the SFR detection equipment is simple in structure, and the to-be-detected camera module arranged on the SFR detection equipment is convenient to adjust.