wide-angle lens - Definition. Was ist wide-angle lens
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Was (wer) ist wide-angle lens - definition

LENS WHOSE FOCAL LENGTH IS SUBSTANTIALLY SMALLER THAN THE FOCAL LENGTH OF A NORMAL LENS FOR A GIVEN FILM PLANE
Wide angle lens; Wide-angle camera; Wide-angle camera lens; Wide-angle photography; Short lens
  • Cross-section of a typical retrofocus wide-angle lens.
  • One of Canon's most-popular wide-angle lenses – 17-40 mm f/4 L retrofocus zoom lens.
  • How focal length affects photograph composition. Three images depict the same two objects, kept in the same positions. By changing focal length and adjusting the camera's distance from the pink bottle, it remains the same size in the image, while the blue bottle's size appears to dramatically change. Also note that at small focal lengths, more of the scene is included.
  • Field of view in APS-sized digital cameras is the same as that of a longer lens, increased by [[crop factor]], on a full-frame 35 mm format camera.
  • Effective focal length is measured from the sensor to where the light cone going to the sensor is the same size as the lens front opening.
  • Cross-section of a typical short-focus wide-angle lens.

wide-angle lens         
(wide-angle lenses)
A wide-angle lens is a lens which allows you to photograph a wider view than a normal lens.
N-COUNT
Wide-angle lens         
In photography and cinematography, a wide-angle lens refers to a lens whose focal length is substantially smaller than the focal length of a normal lens for a given film plane. This type of lens allows more of the scene to be included in the photograph, which is useful in architectural, interior and landscape photography where the photographer may not be able to move farther from the scene to photograph it.
Lens (hydrology)         
  • A freshwater lens on an island.
CONVEX LAYER OF FRESH GROUNDWATER THAT FLOATS ON TOP OF DENSER SALTWATER
User:Nsaum75/Lens (groundwater); User:Nsaum75/Lens (Hydrology); User:Nsaum75/Lens (hydrology); Lens (groundwater); Freshwater lens; Ghyben-Herzberg lenses; Ghyben–Herzberg lens; Ghyben-Herzberg lens; Ghyben/Herzberg lens; Groundwater lens
In hydrology, a lens, also called freshwater lens or Ghyben-Herzberg lens, is a convex-shaped layer of fresh groundwater that floats above the denser saltwater and is usually found on small coral or limestone islands and atolls. This aquifer of fresh water is recharged through precipitation that infiltrates the top layer of soil and percolates downward until it reaches the saturated zone.

Wikipedia

Wide-angle lens

In photography and cinematography, a wide-angle lens refers to a lens whose focal length is substantially smaller than the focal length of a normal lens for a given film plane. This type of lens allows more of the scene to be included in the photograph, which is useful in architectural, interior and landscape photography where the photographer may not be able to move farther from the scene to photograph it.

Another use is where the photographer wishes to emphasise the difference in size or distance between objects in the foreground and the background; nearby objects appear very large and objects at a moderate distance appear small and far away.

This exaggeration of relative size can be used to make foreground objects more prominent and striking, while capturing expansive backgrounds.

A wide angle lens is also one that projects a substantially larger image circle than would be typical for a standard design lens of the same focal length. This large image circle enables either large tilt & shift movements with a view camera, or a wide field of view.

By convention, in still photography, the normal lens for a particular format has a focal length approximately equal to the length of the diagonal of the image frame or digital photosensor. In cinematography, a lens of roughly twice the diagonal is considered "normal".

Beispiele aus Textkorpus für wide-angle lens
1. Republicans see the speech as a chance for Bush to put a wide–angle lens on the nation‘s problems, taking the focus away from Iraq.
2. Use your lens at its longest setting to give a flattering effect to features – going in close with a wide–angle lens will distort their faces.