Optical lens

An optical lens includes, in order from an object side to an image-forming side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The object side of the first lens has an effective diameter [Phi] 1, and the image side of the first lens has a c...

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Bibliographic Details
Main Authors CHENG, SHUO-HSIEN, WU, SIH-HAN, PAO, CHAO-HAN
Format Patent
LanguageChinese
English
Published 16.09.2018
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An optical lens includes, in order from an object side to an image-forming side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The object side of the first lens has an effective diameter [Phi] 1, and the image side of the first lens has a curvature radius R2 and an effective diameter D2. The object side of the second lens has an effective diameter [Phi] 2. The optical lens satisfies at least one of 0.2 ≤ [Phi] 2/[Phi] 1; [Phi] 2/[Phi] 1 ≤ 0.55; 0.65 ≤ D2/R2; and D2/R2 ≤ 1.2.
Bibliography:Application Number: TW20176107841