Chain-based stereoscope Chromatic aberration Closed system Coin-operated stereoscope Collodion positive Colour fringing Colouring Convex lens Curved stereoview Daguerreotypist Desktop stereoscope Diapositive Direct positive Dry plate Ferrotype Film stereoview Fixed focus Floor standing stereoscope Focus Folding stereoscope Format Frame adapter French tissue Frosted glass Gelatin silver print Glass stereoview Ground glass Hand-held stereoscope Hinged lid Holmes-Bates stereoscope