Light intensity-based electronic feedback manual zoom lens
An electronic feedback, zoom lens technology, used in optics, optical components, testing optical performance, etc., can solve the problem of difficult to ensure accurate information about adjusting the lens magnification to the exact position of the current magnification, incorrect reading of the lens magnification value, Low work efficiency and other problems, to achieve the effect of electronic information feedback, simple structure and convenient operation
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[0020] Such as Figure 1 ~ Figure 4 As shown, a manual zoom lens with electronic feedback based on light intensity of the present invention includes a main body of the manual zoom lens and an electronic feedback device connected to it, and the electronic feedback device is connected to the lower-level equipment (not shown in the figure) , the lower-level equipment uses a single-chip microcomputer; the main body of the manual zoom lens includes a lens adapter 1, an upper lens barrel 2, and a lower lens barrel 3 that are sequentially connected from top to bottom. The rotating shaft sleeve 4 passes through the lower lens barrel 3 and is rotatably connected with the upper lens barrel 2. The upper part of the rotating shaft sleeve 4 is equipped with optical signal reflectors 5 in an annular space. The reflective areas of each optical signal reflector 5 are different, and the corresponding optical signal The upper lens barrel 2 at the reflector 5 is provided with a light opening 6, ...
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