Title:
OPTICAL SYSTEM AND CAMERA MODULE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/101158
Kind Code:
A1
Abstract:
A zoom optical system according to an embodiment of the present invention comprises a first lens group, a second lens group, a third lens group, and a fourth lens group that are sequentially arranged from an object side to an image side, wherein the second lens group and the third lens group can move, the total track length (TTL) is less than 20 mm, and the telephoto effective focal length (EFL) is greater than 25 mm.
Inventors:
SHIM HYUNG ROK (KR)
Application Number:
PCT/KR2020/015770
Publication Date:
May 27, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B9/34; G03B5/02
Foreign References:
| KR20140003368A | 2014-01-09 | |||
| KR20100024860A | 2010-03-08 | |||
| KR20190005571A | 2019-01-16 | |||
| KR20150070858A | 2015-06-25 | |||
| US20120212836A1 | 2012-08-23 |
Other References:
See also references of EP 4063931A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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