70 mm large-target-surface low-distortion high-definition lens
The invention relates to a 70 mm large-target-surface low-distortion high-definition lens. A front group A, a diaphragm D, a rear group B and a fixed group C are sequentially arranged in an optical system of the lens from left to right along incident light, the front group A comprises a crescent len...
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creator | JIANG JIJIA HUANG YUESHENG LI HAIJUN JIANG RIMING LI CICAI |
description | The invention relates to a 70 mm large-target-surface low-distortion high-definition lens. A front group A, a diaphragm D, a rear group B and a fixed group C are sequentially arranged in an optical system of the lens from left to right along incident light, the front group A comprises a crescent lens A-1, a biconvex lens A-2, a biconcave lens A-3, a biconvex lens A-4 and a biconcave lens A-5 whichare sequentially arranged along the incident light from left to right, the rear group B comprises a biconcave lens B-1 and a biconvex lens B-2 which are sequentially arranged from left to right alongthe incident light, and the fixed group C comprises a crescent lens C1 and a positive crescent lens C2 which are sequentially arranged from left to right along the incident light. The lens is reasonable in design, the high-definition camera shooting level is achieved through the glass spherical surface, imaging can be matched with 1'', 1.1'' and other pixel chips, the focal power is reasonably distributed, perfect images |
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subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
title | 70 mm large-target-surface low-distortion high-definition lens |
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