Image capturing apparatus

An image capturing apparatus includes a cover plate, a first lens element, and a second lens element arranged sequentially from an object side to an image side along an optical axis. The number of lens elements in the image capturing apparatus is only two. The image capturing apparatus satisfies: 0....

Full description

Saved in:
Bibliographic Details
Main Authors CHIU, YI-FENG, WANG, CHIUNG-HAN
Format Patent
LanguageChinese
English
Published 01.01.2020
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
Online AccessGet full text

Cover

More Information
Summary:An image capturing apparatus includes a cover plate, a first lens element, and a second lens element arranged sequentially from an object side to an image side along an optical axis. The number of lens elements in the image capturing apparatus is only two. The image capturing apparatus satisfies: 0.2 < f/imgH < 0.9, 2.9 < N1+N2 < 3.7, and 2 < (OTL-d)/imgH < 8, wherein f is an effective focal length of the image capturing apparatus, imgH is a maximum image height of the image capturing apparatus, N1 is a refractive index of the first lens element, N2 is a refractive index of the second lens element, OTL is a distance from an object to an image plane on the optical axis, and d is a thickness of the cover plate.
Bibliography:Application Number: TW20187132958