An introduction to the science & practice of photography (1888)
Jones, Chapman · London : Iliffe & Son · leaf 126
ler stop. The orthoscopic lens gives pin- cushion distortion, but to only a slight extent as compared with the opposite, barrel-shaped distortion of single lenses with the diaphragm in the front. In 1859, Derogy advertised a photographic objective giving in the one instrument three portrait and… … Fig. 24. In 1859, Thomas Sutton patented his panoramic water lens (fig. 24) for use with long carved plates. It was achromatic, and from its spherical form would transmit
Photography
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