short-focus lens

См. также в других словарях:

• short-focus lens — ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun : a camera lens having a focal length substantially less than that of the lens normally supplied with a particular type of camera …   Useful english dictionary

• Lens (anatomy) — Crystalline lens (anatomy) Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens …   Wikipedia

• Wide-angle lens — In photography and cinematography, a wide angle lens is a lens whose focal length is substantially shorter than the focal length of a normal lens for the image size produced by the camera, whether this is dictated by the dimensions of the image… …   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

• Perspective control lens — (a) Keeping the camera level, with an ordinary lens, captures only the bottom portion of the building. (b) Tilting the camera upwa …   Wikipedia

• Canon EF 135mm lens — EF 135mm f/2L USM= The Canon EF 135mm f/2L USM is a short or medium telephoto lens. The 135/2 is mainly used for portrait photography and for indoor sports, where the lighting is often poor. The fast f/|2|link=yes aperture makes the lens ideal… …   Wikipedia

• wide-angle lens — noun a camera lens having a wider than normal angle of view (and usually a short focal length); produces an image that is foreshortened in the center and increasingly distorted in the periphery • Syn: ↑fisheye lens • Hypernyms: ↑camera lens,… …   Useful english dictionary

• 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

• Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… …   Wikipedia

• Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …   Wikipedia

• Tilted plane focus — Limits to focus in imaging Focus is relative to spatial depth. Selective focus in photography is usually associated with depth of focus. A pinhole generates an image of ‘infinite’ relative focus from a point just outside the opening out to… …   Wikipedia