aperture mirror
81Kiev-Arsenal — is a Soviet brand of camera manufactured by the Arsenal Factory in Kiev, Ukraine. The camera nameplates show the name KIEV , with older cameras using КИЕВ in the cyrillic alphabet. Kiev medium format cameras The Kiev brand is probably best known… …
82Nikon FG — Type Single lens reflex Film format 35mm Film size 36mm x 24mm Lens interchangeab …
83Alhazen — For the Moon crater, see Alhazen (crater). For the asteroid, see 59239 Alhazen. Alhazen Alhazen (Ibn al Haytham) …
84Schmidt camera — A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical camera designed to provide wide fields of view with limited aberrations. Other similar designs are the Wright Camera and Lurie Houghton telescope.Invention and… …
85André Kertész — Infobox Person name = André Kertész image size = caption = André Kertész in New York, 1982 birth name = Andor Kertész birth date = July 2, 1894 birth place = Budapest, Hungary death date = September 28, 1985 (aged 91) death place = New York City …
86NASA Infrared Telescope Facility — The NASA Infrared Telescope Facility atop Mauna Kea …
87Nikon F3 — Type Single lens reflex Film format 35 mm Film size 36 mm × 24 mm Lens Nikon F mount …
88Galileo (spacecraft) — Infobox Spacecraft Name = Galileo Orbiter Caption = Galileo is prepared for mating with the IUS booster Organization = NASA Major Contractors = Mission Type = Orbiter, fly by Flyby Of = Venus, Earth, 951 Gaspra, 243 Ida Satellite Of = Jupiter… …
89Objective (optics) — Several objective lenses on a microscope. In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or… …
90Schmidt-Cassegrain telescope — The Schmidt Cassegrain is a catadioptric telescope. It combines a folded optical path with a corrector plate to make a compact astronomical instrument. Invention and DesignThe Schmidt Cassegrain is a design based on Bernhard Schmidt s Schmidt… …
