FR1175189A - Lens-light meter combination - Google Patents

Lens-light meter combination

Info

Publication number
FR1175189A
FR1175189A FR1175189DA FR1175189A FR 1175189 A FR1175189 A FR 1175189A FR 1175189D A FR1175189D A FR 1175189DA FR 1175189 A FR1175189 A FR 1175189A
Authority
FR
France
Prior art keywords
lens
light meter
meter combination
combination
light
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
Other languages
French (fr)
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.)
ELGEET OPTICAL Co
Original Assignee
ELGEET OPTICAL Co
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 ELGEET OPTICAL Co filed Critical ELGEET OPTICAL Co
Application granted granted Critical
Publication of FR1175189A publication Critical patent/FR1175189A/en
Expired legal-status Critical Current

Links

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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/20—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1175189D 1956-08-16 1957-05-15 Lens-light meter combination Expired FR1175189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1175189XA 1956-08-16 1956-08-16

Publications (1)

Publication Number Publication Date
FR1175189A true FR1175189A (en) 1959-03-20

Family

ID=22373362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1175189D Expired FR1175189A (en) 1956-08-16 1957-05-15 Lens-light meter combination

Country Status (1)

Country Link
FR (1) FR1175189A (en)

Similar Documents

Publication Publication Date Title
FR1166824A (en) Flow meter
CH352150A (en) Flow indicator
CH354821A (en) counter
CH338498A (en) Fee indicator
AT196006B (en) Loop resistance meter
CH326478A (en) Wassingue
FR1175189A (en) Lens-light meter combination
AT195134B (en) Flow meter
FR1215945A (en) Flow meter
AT199466B (en) Straight line
FR1115066A (en) Combination
CH339410A (en) Counter
CH356301A (en) Haymaker
FR1182000A (en) Flow meter
FR1156397A (en) Light meter
FR1171036A (en) Advanced flowmeter
FR1165875A (en) Density meter
FR1196703A (en) Flow meter
FR1188625A (en) Total counter
ES55120Y (en) New key-clamp
ES55661Y (en) New Shirt-jacket
ES55729Y (en) New figure-toy
ES56664Y (en) New nozzle-ashtray
ES53984Y (en) New candlestick-candlestick
ES57408Y (en) New box-container