MY7800202A - Improvements in or relating to photographic lenses - Google Patents

Improvements in or relating to photographic lenses

Info

Publication number
MY7800202A
MY7800202A MY7800202A MY7800202A MY7800202A MY 7800202 A MY7800202 A MY 7800202A MY 7800202 A MY7800202 A MY 7800202A MY 7800202 A MY7800202 A MY 7800202A MY 7800202 A MY7800202 A MY 7800202A
Authority
MY
Malaysia
Prior art keywords
relating
photographic lenses
photographic
lenses
Prior art date
Application number
MY7800202A
Original Assignee
Ponder & Best
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 Ponder & Best filed Critical Ponder & Best
Publication of MY7800202A publication Critical patent/MY7800202A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Structure And Mechanism Of Cameras (AREA)
MY7800202A 1971-09-10 1978-12-30 Improvements in or relating to photographic lenses MY7800202A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17930471A 1971-09-10 1971-09-10
US28692072A 1972-09-07 1972-09-07

Publications (1)

Publication Number Publication Date
MY7800202A true MY7800202A (en) 1978-12-31

Family

ID=26875202

Family Applications (1)

Application Number Title Priority Date Filing Date
MY7800202A MY7800202A (en) 1971-09-10 1978-12-30 Improvements in or relating to photographic lenses

Country Status (4)

Country Link
DE (1) DE2244259A1 (en)
GB (1) GB1408910A (en)
HK (1) HK6677A (en)
MY (1) MY7800202A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132327A (en) * 1974-09-11 1976-03-18 Canon Kk Goshososa no kantannaboenrenzu

Also Published As

Publication number Publication date
DE2244259A1 (en) 1973-03-22
HK6677A (en) 1977-02-04
GB1408910A (en) 1975-10-08

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