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Zoom lens system

A zoom lens and optical system technology, applied in focusing devices, instruments, optics, etc., can solve problems such as inconvenience and increased shooting costs, and achieve the effect of expanding optical performance

Inactive Publication Date: 2011-06-08
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, since users need to purchase various zoom lens systems according to shooting purposes, shooting costs increase and it is inconvenient to interchange desired zoom lens systems during shooting

Method used

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Examples

Experimental program
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Embodiment Construction

[0031] Hereinafter, the structure and operation of various embodiments of the zoom lens system are described with reference to the drawings.

[0032] figure 1 It is a cross-sectional view of lens groups of a zoom lens system aligned in an operating state according to an embodiment.

[0033] Reference figure 1 , The zoom lens system according to this embodiment includes: a first lens group 10, a second lens group 20, and a fifth lens group 50 aligned and movable along the optical axis L; a plurality of selection lens groups 30 and 40; The frame 70 is movable along a direction perpendicular to the optical axis L; the storage portion 75 is included in the movable frame 70. in figure 1 In the zoom lens system, other components used to support the first lens group 10, the second lens group 20, and the fifth lens group 50 are not shown in order to explain more clearly and the movable frame 70 and the first lens group 10, The positional relationship and relative movement between the seco...

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Abstract

The present invention provides a zoom lens system including at least one lens group that is positioned to be movable along an optical axis of image light for photographing; and a movable frame including a plurality of selection lens groups, the movable frame being movable between a photographing position and a storage position, wherein the photographing position is a position in which one of the selection lens groups is selectively positioned on the optical axis, and the storage position is a position in which all of the selection lens groups are outside the optical axis, and the movable frame includes a storage portion that houses at least a portion of the at least one lens group when the movable frame is moved to the storage position.

Description

[0001] This application claims the priority of Korean patent application No. 10-2009-0119101, which was filed with the Korean Intellectual Property Office on December 3, 2009, and the disclosure of the Korean patent application is incorporated herein by reference in its entirety. Technical field [0002] The embodiment relates to a zoom lens system, specifically, to a zoom lens system having a lens storage space for reducing the thickness of the zoom lens system and selecting lenses with different performances according to the purpose of use group. Background technique [0003] The zoom lens system forms an image by passing image light through various optical elements, and the zoom lens system is widely used in photographing equipment such as digital cameras or video cameras. In addition, the use of a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS) enables the manufacture of small and slim photographing equipment. However, in order to manufacture a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B15/163
CPCG02B15/14G02B15/04G02B13/0035G02B13/009G02B15/15G03B13/34
Inventor 李先浩
Owner SAMSUNG ELECTRONICS CO LTD
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