AU5429173A - Lens mechanism - Google Patents

Lens mechanism

Info

Publication number
AU5429173A
AU5429173A AU54291/73A AU5429173A AU5429173A AU 5429173 A AU5429173 A AU 5429173A AU 54291/73 A AU54291/73 A AU 54291/73A AU 5429173 A AU5429173 A AU 5429173A AU 5429173 A AU5429173 A AU 5429173A
Authority
AU
Australia
Prior art keywords
lens mechanism
lens
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
AU54291/73A
Other versions
AU479080B2 (en
Inventor
Arthur Hele Spence-Bate Harry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of AU479080B2 publication Critical patent/AU479080B2/en
Publication of AU5429173A publication Critical patent/AU5429173A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/228—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing six-membered aromatic rings, e.g. phenylacetaldehyde
    • C07C47/232—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing six-membered aromatic rings, e.g. phenylacetaldehyde having unsaturation outside the aromatic rings
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/20—Maintaining or producing contact pressure between original and light-sensitive material by using a vacuum or fluid pressure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Cameras In General (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
AU54291/73A 1972-04-08 1973-04-09 Lens mechanism Expired AU479080B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1634172A GB1434007A (en) 1972-04-08 1972-04-08 Camera
GBGB16341 1972-04-08

Publications (2)

Publication Number Publication Date
AU479080B2 AU479080B2 (en) 1974-10-10
AU5429173A true AU5429173A (en) 1974-10-10

Family

ID=

Also Published As

Publication number Publication date
US3826572A (en) 1974-07-30
GB1434007A (en) 1976-04-28

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