KR910005657A - 비데오 카메라용 줌렌즈(zoom lens) - Google Patents

비데오 카메라용 줌렌즈(zoom lens) Download PDF

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Publication number
KR910005657A
KR910005657A KR1019890012536A KR890012536A KR910005657A KR 910005657 A KR910005657 A KR 910005657A KR 1019890012536 A KR1019890012536 A KR 1019890012536A KR 890012536 A KR890012536 A KR 890012536A KR 910005657 A KR910005657 A KR 910005657A
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KR
South Korea
Prior art keywords
lens
fwide
convex
section
video camera
Prior art date
Application number
KR1019890012536A
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English (en)
Other versions
KR950007864B1 (ko
Inventor
성평용
Original Assignee
강진구
삼성전자 주식회사
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.)
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Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890012536A priority Critical patent/KR950007864B1/ko
Publication of KR910005657A publication Critical patent/KR910005657A/ko
Application granted granted Critical
Publication of KR950007864B1 publication Critical patent/KR950007864B1/ko

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • 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
    • G02B15/145—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 five groups only
    • G02B15/1455—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 five groups only the first group being negative
    • G02B15/145525—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 five groups only the first group being negative arranged ---++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0046—Movement of one or more optical elements for zooming

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

내용 없음

Description

비디오 카메라용 줌렌즈(ZOOM LENS)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 줌렌즈의 구성도.

Claims (1)

  1. 물체(1)위치로부터 포커스부(3)와 변배부(4), 보상부(5), 결상부(6), 평행평면판(7) 및 CCD(2)가 조합되어지되, 상기 포커스부(3)는 접합렌즈인 오목렌즈(11)와 볼록렌즈(12) 및 단렌즈인 볼록렌즈(13)로 구성되고, 변배부(4)는 단렌즈인 오목렌즈(14)및 오목렌즈(15)와 볼록렌즈(16)의 하나 접합렌즈로 구성되며, 보상부(5)는 오목렌즈(17)이고, 결상부(6)는 결상전부(8)를 이루는 두개의 볼록렌즈(18,18′)와 하나의 오목렌즈(19)와 경상후부(9)를 이루는 두개의 볼록렌즈(20,22)와 하나의 오목렌즈(21)로 구성되며, 상기 결상전부(8)의 볼록렌즈(18,18′)사이에 스톱(10)이 설치되어 이루어진 비디오 카메라용 줌렌즈에 있어서,
    ① 0.05≤D17/fwide≤0.11
    ② 0.05≤D23/fwide≤0.10
    ③ 0.29≤D21/fwide≤0.40
    ④ 12.50≤TL/fwide≤12.80
    ⑤ 1.90≤R17/R18≤2.50
    ⑥ 1.35≤R21/R22≤1.45 의 값으로 구성시킨 것을 특징으로 하는 비디오 카메라용 줌렌즈.
    단, Ri(i=102…n)은 물체로부터 i번째 렌즈면의 곡률반경(Di)(i=1,2…n)은 i번째면에서 다음면사이의 렌즈두께, 또는 공기간격 TL은 제1렌즈 첫면에서 마지막 렌즈면까지의 거리 fwide는 줌단계중 광각단계(wide)에서의 촛점거리이다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890012536A 1989-08-31 1989-08-31 비데오 카메라용 줌렌즈(zoom lens) KR950007864B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890012536A KR950007864B1 (ko) 1989-08-31 1989-08-31 비데오 카메라용 줌렌즈(zoom lens)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890012536A KR950007864B1 (ko) 1989-08-31 1989-08-31 비데오 카메라용 줌렌즈(zoom lens)

Publications (2)

Publication Number Publication Date
KR910005657A true KR910005657A (ko) 1991-03-30
KR950007864B1 KR950007864B1 (ko) 1995-07-20

Family

ID=19289482

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012536A KR950007864B1 (ko) 1989-08-31 1989-08-31 비데오 카메라용 줌렌즈(zoom lens)

Country Status (1)

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KR (1) KR950007864B1 (ko)

Also Published As

Publication number Publication date
KR950007864B1 (ko) 1995-07-20

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