Color Values in Monochrome: A Lecture on Orthochromatic Photography, Delivered Before the Canadian Institute, February 16th, 1901 (Classic Reprint) - Hardcover

John Stanley Plaskett

9780265740934: Color Values in Monochrome: A Lecture on Orthochromatic Photography, Delivered Before the Canadian Institute, February 16th, 1901 (Classic Reprint)

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ISBN 10: 0265740932 ISBN 13: 9780265740934

Publisher: Forgotten Books, 2018

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Excerpt from Color Values in Monochrome: A Lecture on Orthochromatic Photography, Delivered Before the Canadian Institute, February 16th, 1901

French France Lumiere Bros. Have ih troduced a remarkable series of plates sensi tised for varying portions of the spectrum. Series A, sensitive to yellow and green; series B, sensitive to yellow and red; and series C or panchromatic sensitive to red, yellow, and green. In this connection it must be noticed that all orthochromatic plates. As well as ordinary plates, are decidedly too sensitive to blue and violet. In England among several commercial Bughah brands of orthochromatic plates, besides Edward's, already referred to, I will only mention two, the Ilford chromatic and the Cadett spectrum, as these can be obtained in Toronto. The Ilford chromatic is a very clear working and brilliant plate, with which excellent results can be obtained; its prin cipal disadvantage is its slowness, which practically debars its use, especially with screen, wherever there is movement.

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