A dictionary of photography for the amateur and professional photographer (1889)
Wall, E. J. (Edward John), 1860-1928 · New York : E. & H.T. Anthony · leaf 72
62 DICTIONARY OF PHOTOGRAPHY. Another method is to reverse the camera, pointing the lens towards the negative, the ground-glass being of course removed ; in this case the lens and negative must be enfolded by the focussing cloth to shut out all intervening actinic light. This method is useful when… … Fig. 2. — C, camera or specially made bellows; d, door; l, lamp; acta a, air holes; n, negative in position. covered space H fig. I, from the position of the lens the edges of the reflector must not be seen. Any lens will do for enlarging by ; the best for the purpose is the one with which the…
Photography
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