. The American annual of photography. WI—I KumI—I 229. STEREOSCOPIC PHOTOGRAPHY By E. J. WALL, F. R. P. S. F all processes stereoscopic photography givesthe most wonderful results. One has, if prop-erly carried out the most perfect illusion of re-lief. It is by no means a difficult process andthe following notes if followed will enable any-one to turn out perfect stereoscopic pictures. The size of the plate is the first question, and this is to agreat extent a matter of personal choice. Personally I prefer3^4 X 6^ inches, which can be easily carried in any 5x7 plateholder, if kits are used. Th


. The American annual of photography. WI—I KumI—I 229. STEREOSCOPIC PHOTOGRAPHY By E. J. WALL, F. R. P. S. F all processes stereoscopic photography givesthe most wonderful results. One has, if prop-erly carried out the most perfect illusion of re-lief. It is by no means a difficult process andthe following notes if followed will enable any-one to turn out perfect stereoscopic pictures. The size of the plate is the first question, and this is to agreat extent a matter of personal choice. Personally I prefer3^4 X 6^ inches, which can be easily carried in any 5x7 plateholder, if kits are used. The camera must be provided with a central division andtwin lenses. The division can be made with a piece of blackrubber cloth, which must be sufficiently long to extend fromthe inside of the lens board to the focussing screen, when thebellows are extended to their fullest extent. At the same timeit must contract with the shortening of the bellows. Theeasiest way to make this is to obtain a stout steel or boneknitting needle, cut to the proper length a


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