KR950004433U - Optical system - Google Patents

Optical system

Info

Publication number
KR950004433U
KR950004433U KR2019930013711U KR930013711U KR950004433U KR 950004433 U KR950004433 U KR 950004433U KR 2019930013711 U KR2019930013711 U KR 2019930013711U KR 930013711 U KR930013711 U KR 930013711U KR 950004433 U KR950004433 U KR 950004433U
Authority
KR
South Korea
Prior art keywords
optical system
optical
Prior art date
Application number
KR2019930013711U
Other languages
Korean (ko)
Other versions
KR200142412Y1 (en
Inventor
이해진
Original Assignee
삼성항공산업주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성항공산업주식회사 filed Critical 삼성항공산업주식회사
Priority to KR2019930013711U priority Critical patent/KR200142412Y1/en
Publication of KR950004433U publication Critical patent/KR950004433U/en
Application granted granted Critical
Publication of KR200142412Y1 publication Critical patent/KR200142412Y1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
KR2019930013711U 1993-07-22 1993-07-22 Optical system KR200142412Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930013711U KR200142412Y1 (en) 1993-07-22 1993-07-22 Optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930013711U KR200142412Y1 (en) 1993-07-22 1993-07-22 Optical system

Publications (2)

Publication Number Publication Date
KR950004433U true KR950004433U (en) 1995-02-17
KR200142412Y1 KR200142412Y1 (en) 1999-06-01

Family

ID=19359643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930013711U KR200142412Y1 (en) 1993-07-22 1993-07-22 Optical system

Country Status (1)

Country Link
KR (1) KR200142412Y1 (en)

Also Published As

Publication number Publication date
KR200142412Y1 (en) 1999-06-01

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