Catalogue of printed matter and photographic materials : June, 1887 (1887)
Percy Lund & Co · Bradford : The Country Press · leaf 50
PERCY LUND & CO., ST. JOHN’S STREET, BRADFORD. 48 Wide Angle Rectilinear Lenses. For Landscapes, Interiors, and Copying. As will be seen from the illustrations below, these lenses are ex- tremely portable, and being quite free from distortion and flare, give absolutely straight lines to the edge of… … may be included. The rotating diaphragm has 5 apertures, num- bered 1, 2, 3, 4, 5 respectively, from f/16 to f/64, each one requiring double the exposure of the preceding. In using these lenses, and in fact all others, it is very important that the camera be placed ex- actly level when an…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
