JPS6135531B2 - - Google Patents

Info

Publication number
JPS6135531B2
JPS6135531B2 JP4621481A JP4621481A JPS6135531B2 JP S6135531 B2 JPS6135531 B2 JP S6135531B2 JP 4621481 A JP4621481 A JP 4621481A JP 4621481 A JP4621481 A JP 4621481A JP S6135531 B2 JPS6135531 B2 JP S6135531B2
Authority
JP
Japan
Prior art keywords
barrel
pin
lens
groove
cam
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP4621481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57161815A (en
Inventor
Taketoshi Okajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokina Optical Co Ltd
Original Assignee
Tokina Optical Co Ltd
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 Tokina Optical Co Ltd filed Critical Tokina Optical Co Ltd
Priority to JP4621481A priority Critical patent/JPS57161815A/ja
Publication of JPS57161815A publication Critical patent/JPS57161815A/ja
Publication of JPS6135531B2 publication Critical patent/JPS6135531B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP4621481A 1981-03-31 1981-03-31 Adjustment device up to short distance of zoom type interchangeable lens Granted JPS57161815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4621481A JPS57161815A (en) 1981-03-31 1981-03-31 Adjustment device up to short distance of zoom type interchangeable lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4621481A JPS57161815A (en) 1981-03-31 1981-03-31 Adjustment device up to short distance of zoom type interchangeable lens

Publications (2)

Publication Number Publication Date
JPS57161815A JPS57161815A (en) 1982-10-05
JPS6135531B2 true JPS6135531B2 (cs) 1986-08-13

Family

ID=12740843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4621481A Granted JPS57161815A (en) 1981-03-31 1981-03-31 Adjustment device up to short distance of zoom type interchangeable lens

Country Status (1)

Country Link
JP (1) JPS57161815A (cs)

Also Published As

Publication number Publication date
JPS57161815A (en) 1982-10-05

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