Illustrated catalogue of the Royal Photographic Society's international exhibition at the Crystal Palace, 1898 (1898)
Royal Photographic Society International Exhibition (1898 : Crystal Palace, London, England), Royal Photographic Society of Great Britain · London : Royal Photographic Society · leaf 233
ur Frena cameras is a Beck “Autograph” Rapid Rectilinear working at_//8, while the fourth has a single lens by Beck, with an aperture of f! 11. All are provided with diaphragms. For photographing near objects low power supplementary lenses, termed Frena Magnifiers, are supplied enabling objects as… … The Frena Film Holder. double back. To change a film, it is removed from the camera and locked on to the receiver; the shutters of the magazine and receiver interlock, and are pulled out together, when, by pushing a button, one film is dropped into the receiver on the sorting teeth principle…
Royal Photographic Society of Great Britain · Photography, Artistic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
