of a lens

of a lens
The distance from the focal point to the principal point of the lens. The focal length is usually measured in millimeters of the lens. Focal length is an indication of the lens capability to capture a wide angle of view or a narrow view of objects that are far away (telephoto).

Audio and video glossary. 2014.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Lens (pas-de-calais) — Pour les articles homonymes, voir Lens. Panorama de Lens depuis le site Écopôle 11/19 à Loos en Gohelle …   Wikipédia en Français

  • 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

  • Lens (Pas-de-Calais) — Lens …   Deutsch Wikipedia

  • Lens (Paso de Calais) — Lens Escudo …   Wikipedia Español

  • Lens flare — is the light scattered in lens systems through generally unwanted image formation mechanisms, such as internal reflection and scattering from material inhomogeneities in the lens. These mechanisms differ from the intended image formation… …   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

  • Lens Info — Création 30 octobre 2008 Disparition 24 juillet 2009 Propriétaire Jean Christophe Rieu Slogan « Se divertir, s informer » Langue …   Wikipédia en Français

  • Lens flare — bei Gegenlicht Lens Flare (engl.: Lens flare = „Linsenlichtreflex“) ist die Bezeichnung für sichtbare Reflexionen und Streuungen des Lichtes einer Lichtquelle in einem Linsensystem. Die deutsche Bezeichnung ist Blendenflecke oder Linsenreflektion …   Deutsch Wikipedia

  • Lens (riviere) — Lens (rivière) Lens Photo souhaitée Merci Caractéristiques Longueur 25,7 km Bassin 62 km2 Bassin collecteur Garonne …   Wikipédia en Français

  • Lens — (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two opposite… …   The Collaborative International Dictionary of English

  • Lens (Hainaut) — Lens (Belgique) Pour les articles homonymes, voir Lens.   Lens …   Wikipédia en Français

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”