Photographing Colours.
Photographing colours has been successfully accomplished in Berlin. The method is based upon the fact "that all effects of light proceed from three primary colours — yellow, red, and blue. By means of coloured screens or by dyeing the photographic plates, three negatives are obtained of the same object, each being sensitive to light only of one primary colour. It seems wonderwith all the range of hues tints perceived by the eye, a painting of three single colours is all that is required to give the necessary effect. . The reason why three impressions aro sufficient to produce the natural colours of an object in all their delicacy of tint and .shading proceeds from the fact that every portion of each primary colour that in any way, esen in the slightest degree, enters into combination with other colours makes its impression upon fie corresponding negative, and Urns with the three reproduced we have the effect of the original, faithfully reproduced in all its infinite variations of tint. |
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Manawatu Herald, 1 February 1894, Page 3
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167Photographing Colours. Manawatu Herald, 1 February 1894, Page 3
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