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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Hauptverfasser: JIANG JIJIA, HUANG YUESHENG, LI HAIJUN, JIANG RIMING, LI CICAI
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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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OPTICS
PHYSICS
title 70 mm large-target-surface low-distortion high-definition lens
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