LENS OPTICAL SYSTEM AND PHOTOGRAPHING DEVICE

Title:

LENS OPTICAL SYSTEM AND PHOTOGRAPHING DEVICE

Document Type and Number:

WIPO Patent Application WO/2017/164607

Kind Code:

A1

Abstract:

A lens optical system and a photographing device comprising same are disclosed. The lens optical system comprises first to eighth lenses which are sequentially aligned from an object-side to an image surface-side and respectively have a negative, negative, positive, positive, positive, negative, positive and positive refractive power. The lens optical system may satisfy an ultra-wide angle condition of the conditional expression: 130≤ FOV ≤ 240. Here, FOV (Unit: °) represents the angle-of-view of the lens optical system.

Inventors:

JUNG PIL SUN (KR)
KIM DONG YOUNG (KR)
AN CHI HO (KR)

Application Number:

PCT/KR2017/002996

Publication Date:

September 28, 2017

Filing Date:

March 21, 2017

Export Citation:

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Assignee:

ACE SOLUTECH CO LTD (KR)

International Classes:

G02B9/64; G02B5/20; G02B6/293; G02B9/30

Foreign References:

JP2011075632A	2011-04-14
KR20120072959A	2012-07-04
JPH07281094A	1995-10-27
JPH05273459A	1993-10-22
JP2016001335A	2016-01-07

Attorney, Agent or Firm:

Y.P.LEE, MOCK & PARTNERS (KR)

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