The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 32
Fig. ii.—Telestereoscope. been constructed by simply mounting mirrors onsupports (Fig. n), but it is better to enclose thewhole in united tubes or in a box (Fig. 12). Claudet in i860 fitted opera glasses with fourprisms forming a telestereoscope, thus magnifyingthe depth as well as the length and… … Fig 12.—Telestereoscope. proves that the optical angle is less than it wouldbe if the objects were seen directly and in thesame dimensions. 26 THE STEREOSCOPE The relief of an object can be varied in a verysimple manner by looking at it through two thick
Stereoscope · Photography, Stereoscopic
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