Photographic optics and colour photography : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)
Johnson, G. Lindsay (George Lindsay), 1853-1943 · New York : D. Van Nostrand Co. · leaf 128
rb over a small area (see Pig. 79), but there is con- siderable curvature of field and astigmatism, so that only an area slightly larger than the diameter of the lens can be sharply covered. It is not entirely free from distortion, and may give rise to flare with a small stop. It is necessarily… … ♦ Lighter Flint Fig. 77. — Diagram of an R.R. Lens. portraiture, but forms an admirable lens for the optical lantern and telephotography, and also for astro-photographic purposes, in which a small angle is required to be covered. In recent years Dallmeyer, Taylor, Aldis, Eoss, Zeiss, Goerz, Beck,…
Photographic optics · Color photography
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