The Photographic Lens

Agfa air-spaced anastigmats Aperture Focal Image Arriflex astigmatism biconvex Carl Zeiss cemented components cemented pair cemented surface centre chromatic aberration colour coma contd correction curvature of field depth of field diaphragm Distagon diverging Edixa Ektar enlarging Exakta Focal Image Image focal length focusing front component front element Fujinon full aperture Heligon Image f Length image formation Image Image Notes Image Notes f image plane image point inches Jena Leica Leitz Length Format Angle lens elements Lens Name Aperture lens surfaces lens system light beam light ray long focus maximum apertures meniscus miniature camera Minolta Name Aperture Focal Nikon F Notes f Length object point optical axis optical system Pentacon photography Praktica Proj PROJECTION LENSES reflex cameras refractive index Rodenstock Rokkor Schneider Sonnar speed spherical aberration stop Tele Xenar telephoto Tessar Trinar TRIPLET DERIVATIVES Variogon Voigtländer wide-angle lens wide-angle lenses x 36 mm Xenar zoom