Photographic optics and colour photography : including the camera, kinematograph, optical lantern, and the theory and practice of image formation / by George Lindsay Johnson.

  • Johnson, G. Lindsay (George Lindsay), 1853-1943.
Date:
1909
Catalogue details

Licence: In copyright

Credit: Photographic optics and colour photography : including the camera, kinematograph, optical lantern, and the theory and practice of image formation / by George Lindsay Johnson. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

    25/348 (page 7)
    In this form of camera the front can also be swung to keep the axis of the lens horizontal, but this movement is of less importance than that of the back. Fig. 4.—The Sanderson Camera. Type of a camera fitted with every movement required. It is a great favourite with amateurs. 6. A camera must be fitted with a bellows extension, so as to adapt it to take lenses of varying foci. It should be capable Fig. 5.—Square Bellows Camera. Type of the ordinary camera used by most professionals. It combines all movements necessary, but the rising-front is limited to 1£ or 2 in. It is very serviceable and strongly made. of extension to a little more than twice the focal length of the lens selected to cover the plate, so as to permit of photographs being taken life size.