. The book of photography; practical, theoretical and applied. ic vision, by which is meantthe vmiting of dissimilar pictures withthe two eyes without any optical agency,appears to be possessed by few people,but, by a little practice, the majority mayacquire the power. By crossing theaxes of the eyes at a point closer thanthat distance at which the picture is STEREOSCOPIC PHOTOGRAPHY. 62!^ situated, superposition of the two dis-similar images may be is precisely the principle and effect ofthe lensless stereoscope invented by (see Fig. 840). The stereoscopiceffect o
. The book of photography; practical, theoretical and applied. ic vision, by which is meantthe vmiting of dissimilar pictures withthe two eyes without any optical agency,appears to be possessed by few people,but, by a little practice, the majority mayacquire the power. By crossing theaxes of the eyes at a point closer thanthat distance at which the picture is STEREOSCOPIC PHOTOGRAPHY. 62!^ situated, superposition of the two dis-similar images may be is precisely the principle and effect ofthe lensless stereoscope invented by (see Fig. 840). The stereoscopiceffect obtained by crossing the axes at anear point, however, makes it necessarythat the prints, to be so viewed, shouldbe transposed as regards right and left,so that pictures mounted in the usualmanner for the stereoscope are not suit-able for examination. The better andmore convenient kind of stereoscopicvision is that which enables the stereo-gram to be examined with the picturesmounted in the usual manner, the pic-ture seen in binocular vision by the right. ; A ; ^C^
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
