Prismatic lens Prismatic-square-type Projection Pseudoscope Pseudoscopy Reflecting stereoscope Refracting stereoscope Relief Revolving stereoscope Rotating stereoscope Semilens Septum Short-focus lens Single-view stereoscope Slide tray Sliding-box focus Spherical aberration Stereo baseline Stereo camera Stereo format Stereo pair Stéréo-Classeur Stereo-graphoscope Stéréo-mégascope Stereo-panorama camera Stereocard Stereogram Stereograph Stereography Stereopsis Stereoscope Stereoscopic apparatus Stereoscopic drawing