Development of Two Automatic Follow-Focus Devices for Use in Cinematography

James T. Strohm, William G. Heckler

A description is given of the method devised by the authors and used at the Signal Corps Photographic Center to eliminate human error in critical focusing by automatic means. The fully-automatic dolly was designed primarily to eliminate these difficulties when the camera is in horizontal movement.

Print ISSN
Published
1945-10
Content type
Original Research
DOI
10.5594/J12831