3-D 45 x 107 format 6 x 13 format 7 x 13 format 8.5 x 17 format 9 x 14 format Achromatic lens Additive colour Albumen print Ambrotype American stereoscope Amphitype Autochrome Beckers-type stereoscope Bidirectional navigation Binocular camera Binocular disparity Binocular vision Binocular-style stereoscope Blinder Book stereoscope Box-type stereoscope Brewster-type stereoscope Carte-de-visite Chain-based stereoscope Chromatic aberration Collodion positive