wide aperture lens

См. также в других словарях:

• Aperture priority — Aperture priority, often abbreviated Av (for Aperture value) or A on a camera dial, is a setting on some cameras that allows the user to choose a specific aperture value while the camera selects a shutter speed to match. The camera will ensure… …   Wikipedia

• Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …   Wikipedia

• 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

• 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

• 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

• Double-Gauss lens — The double Gauss design with optical ray traces The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane. Contents 1 Design …   Wikipedia

• Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… …   Wikipedia

• Canon EF 50mm lens — The EF 50mm lenses are a group of normal prime lenses made by Canon Inc. that share the same focal length.These lenses have an EF type mount, that fits the Canon EOS line of cameras.When used on a digital EOS body with a field of view… …   Wikipedia

• Fisheye lens — In photography, a fisheye lens is a wide angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology [Hill, R. 1924. A lens for whole sky photographs. Quarterly Journal of the Royal Meteorological… …   Wikipedia

• Canon EF-S 10-22mm lens — Infobox photographic lenses name = EF S 10 22mm f/3.5 4.5 USM maker = Canon feat is = n feat usm = y feat sbf = y feat macro = n application = landscape/interiors flength = 10 22mm (35 mm equivalent of 16 35mm) fov = 1.6 aperture = f/3.5 4.5 f/32 …   Wikipedia

• Sigma 24mm f/1.8 EX DG lens — Infobox photographic lenses name = Sigma 24mm f/1.8 EX DG caption = maker = Sigma Corporation feat is = none feat usm = n/a feat sbf = n/a feat macro = Yes feat special = Very fast maximum aperture application = low light, landscape, macro,… …   Wikipedia