The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 61
aberration inthe white parts of the pictures. It has beennoticed, also, that the aberration of the lensestended to distort the pictures in a way contraryto the distortion produced by the prisms, so that one corrected the other. e - 54 THE STEREOSCOPE A short time before (1857) M. Jequezel… … Fig 40.—The Column Stereoscope. Cassaignes (1863) produced the same resultby colouring the prisms or lenses, or by interposingcoloured glasses before the eyes. Grillet (1855) suggested the idea of putting adiaphragm inside the stereoscope, so as to allowthe piclure only to be seen without the…
Stereoscope · Photography, Stereoscopic
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