FR848852A - Iris graduation illumination device for the lenses of photographic magnifiers - Google Patents

Iris graduation illumination device for the lenses of photographic magnifiers

Info

Publication number
FR848852A
FR848852A FR848852DA FR848852A FR 848852 A FR848852 A FR 848852A FR 848852D A FR848852D A FR 848852DA FR 848852 A FR848852 A FR 848852A
Authority
FR
France
Prior art keywords
magnifiers
iris
photographic
lenses
illumination device
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.)
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 FR848852A publication Critical patent/FR848852A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR848852D 1938-01-28 1939-01-14 Iris graduation illumination device for the lenses of photographic magnifiers Expired FR848852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT848852X 1938-01-28

Publications (1)

Publication Number Publication Date
FR848852A true FR848852A (en) 1939-11-08

Family

ID=11325412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848852D Expired FR848852A (en) 1938-01-28 1939-01-14 Iris graduation illumination device for the lenses of photographic magnifiers

Country Status (1)

Country Link
FR (1) FR848852A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035464B (en) * 1955-04-09 1958-07-31 Wilhelm Will K G Optische Werk Lens for photographic enlargers
DE1056921B (en) * 1956-02-24 1959-05-06 Wilhelm Will K G Lens with f-stops
US2985067A (en) * 1956-12-14 1961-05-23 Kamera & Kinowerke Dresden Veb Enlargement indicators for photographic enlarging and reproducing apparatuses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035464B (en) * 1955-04-09 1958-07-31 Wilhelm Will K G Optische Werk Lens for photographic enlargers
DE1056921B (en) * 1956-02-24 1959-05-06 Wilhelm Will K G Lens with f-stops
US2985067A (en) * 1956-12-14 1961-05-23 Kamera & Kinowerke Dresden Veb Enlargement indicators for photographic enlarging and reproducing apparatuses

Similar Documents

Publication Publication Date Title
FR848852A (en) Iris graduation illumination device for the lenses of photographic magnifiers
FR823784A (en) Photoelectric adjustment device for diaphragms of cameras
FR751001A (en) Optical device for lighting devices
FR847038A (en) Device for the use of cinematographic projectors for the projection of still images
FR848853A (en) Photo magnifier with synchronous autofocus for two lenses of different focal length
FR760954A (en) Mirror reflector device for cameras
FR853295A (en) Range finder adjustment device for interchangeable photographic lenses
FR849388A (en) Advanced device for adjusting the lens of a camera
FR888499A (en) Additional device for photographic camera lenses
FR778677A (en) Focusing device for camera lenses
FR822779A (en) Optical illumination device for projection devices
FR972902A (en) Combination reflector for image projection devices
FR859233A (en) Device for adjusting the diaphragm of cameras
FR782740A (en) Partial shutter device for photographic lenses
FR817338A (en) Detachable lens mount for cameras
FR896055A (en) Trigger device for camera lens shutters
FR832198A (en) Automatic adjustment device for the shutter or diaphragm of a photographic camera
FR857887A (en) Optical device for magnifying devices
FR890482A (en) Autofocus device for magnification and photogrammetry cameras
FR970205A (en) Additional system for photographic lens
FR818933A (en) Cover for photographic lens shutter
FR784738A (en) Optical adjustment device for cinematographic devices
FR783504A (en) Lighting apparatus for photographic laboratories
FR636180A (en) Lens mount for cameras or cinematographic cameras
FR33466E (en) Lens mount for cameras or cinematographic cameras