Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)
Johnson, G. Lindsay (George Lindsay), 1853-, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services · London : Ward & Co. · leaf 27
THE CAMERA 9 felt in a light frame (to prevent breakage), and made the full size of the focussing screen, is a very useful addition. When inclined at 45° to the bottom of the screen, and covered over with a focussing cloth, the picture can be examined right way up, and the pictorial effect more… … Tggp III 9 Fig. 7. — Perken & Son's Adjustable Box Camera. objection to its use is that it gives rise to lateral inversion. But this applies equally well to nearly all view-finders, and is rarely of any consequence except in process work. It can be Fig. 8. — Sinclair's Una Camera, with hinge top…