The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 74
AND STEREOSCOPIC PHOTOGRAPHY. 67 prism of total reflection, intended to give theexact picture seen by the right eye. By slightlyinclining the prism P convergence is easily pro-duced. The picture seen through the prism israther smaller than the other, because of thedifference in the distance, but it… … f Fig. 52. does not spoil the stereoscopic effect. Brewster,however, proposed to correct this by the use of alens, or, still better, by enlarging the two picturesby using two lenses of rather different focus. Healso proposed to use, in place of a prism, the halfof a bi-convex lens (Fig. 52), the…
Stereoscope · Photography, Stereoscopic
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