Lens speed — refers to the maximum aperture diameter, or minimum f number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f number) is a fast lens because it delivers more light intensity (illuminance) to the focal… … Wikipedia
Lens — can refer to: NOTOC In optics*Lens (optics), an optical element which converges or diverges light **Lens (anatomy), a part of the eye **Corrective lens for correction of human vision ***Contact lens, placed on the cornea of the eye **Photographic … Wikipedia
Rapid Rectilinear — Infobox lens design scheme = Rapid rectilinear.svg elements = 4 groups = 2 author = John Henry Dallmeyer year = 1866 aperture = f/|6 (original) f/|3.5 (portrait Aplanat)The Rapid Rectilinear also named Aplanat is a famous photographic lens design … Wikipedia
Lens — Der Name Lens steht für: die Stadt Lens (Pas de Calais) in Frankreich (Département Pas de Calais), davon abgeleitet die Verwaltungseinheiten Arrondissement Lens Kanton Lens Est Kanton Lens Nord Est Kanton Lens Nord Ouest die Gemeinde Lens Lestang … Deutsch Wikipedia
Rapid Prototyping — Beginn der Fertigung eines Prototypen … Deutsch Wikipedia
fast lens — stiprusis objektyvas statusas T sritis fizika atitikmenys: angl. fast lens; high power objective; rapid lens vok. lichtstarkes Objektiv, n rus. светосильный объектив, m pranc. objectif de grande clarté, m … Fizikos terminų žodynas
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera … Wikipedia
Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… … Wikipedia
Rectilinear lens — In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the walls of buildings, appear with straight lines, as opposed to being curved. In other words, it is a lens with little barrel or… … Wikipedia