Wide Light Dynamic Range Wide Spectrum Camera Lens
A camera lens and dynamic range technology, applied in optics, optical components, instruments, etc., can solve the problems of reducing the limit resolution of the system, restricting the monitoring ability of the system, and the small dynamic range of light, so as to improve the monitoring ability and improve the image clarity. The effect of falling, simple structure
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[0016] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.
[0017] Such as Figure 1~4 As shown, a wide-spectrum imaging lens with wide light dynamic range includes a lens barrel and an optical system arranged in the lens barrel. Lens group B with positive power, lens group C with negative power, lens group D with positive power, light adjustment group E, variable diaphragm A is iris, and mirror group B is biconvex lens B-1, mirror group C is a cemented group of positive crescent lens C-1 and biconcave lens C-2 in close contact, mirror group D is biconvex lens D-1, and dimming group E includes variable optical density discs E-1 arranged in sequence 1. The transmittance of variable optical density disk E-2, variable optical density disk E-1, and variable optical density disk E-2 changes uniformly and gradually from 99% ...
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