Expanded triplet objective having at least four elements
US3612663A
Wide-aperture objective of the expanded double-anastigmat type having an inner biconex diaphragm-space and a concave front surface toward the distant object
US3617112A
Photographic objective having a rear diaphragm
US3524700A
Telephoto lens
US3612661A
Objective having at least four components situated in air and having an approximately unchanged high image performance for large changes of the object-distances between infinity and a magnification of close to 1:1
GB1180178A
Slide Projector
US3484053A
Camera with take-up spool
US3524393A
Camera having a receptacle for a source of current
GB1191116A
Photographic Viewfinder
US3459110A
Photographic camera with only one cartridge chamber
US3481261A
Film magazine and camera therefor
GB1137296A
Polygonal prism
US3477355A
Automatic film speed setting for cameras
US3513748A
Viewfinder for photographic camera and the like
GB1176005A
Photographic Viewfinder.
US3443498A
Camera for daylight and flash exposure
US3443497A
Camera having structure for making flash exposures
