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 124
rb over a small area (see Fig. 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… … ♦ Lfghter Flint Fig. 77.— Diagram of an R.E. 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, Boss, Zeiss, Goerz, Beck,…
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