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 142

An illustration from Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation, 1909, leaf 142 — PHOTOGRAPHIC OPTICS 120 two together thus forming a sphere with the diaphragm at the common centre of curvature. In fact, it is precisely similar to my single meniscus, only with a second similar lens reversed on the other side of the diaphragm. Since all the rays are practically chief rays, it… … Fig. 87. — Goerz Hypergon Lens. Angle = 135°. S = stop to equalize the light. F = 60. avoid coma), viz. F/20. There is practically no astigmatism (see page 106). It is, of course, non-achromatic. The values are rx = + 5,083 )iG = 1,508 t = 1,324 ^ = 1,516 r2 = - 5,106 4 = 4>070 fiD = 1,5105 fiG =…

Cameras · Cinematography · Lenses · Color photography · Optics · Brightness perception

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Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)

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