telephoto$82060$ - definizione. Che cos'è telephoto$82060$
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Cosa (chi) è telephoto$82060$ - definizione

MOST COMMON TYPE OF CONSTRUCTION OF LONG-FOCUS CAMERA LENSES
Telephoto; Telelens; Super-telephoto lens; Super-telephoto lenses; Super-telephoto; Super telephoto lens; Super telephoto
  • A [[Canon New F-1]] (1981), a 35 mm camera with a telephoto zoom lens with 70-210 mm focal length.
  • Diagram of a typical telephoto lens with a large positive lens and a smaller negative telephoto group combined to create a much longer focal length - ''f''.
  • Diagram of a catadioptric mirrors lens.
  • A diagram of light travel through a wide-angle lens showing how focal length can be shorter than the lens.
  • A collection of telephoto lenses
  • equivalent to 35 mm film]]), minimum is 24 mm, a factor of 16.
  • A 150–500 mm telephoto zoom lens, physically much shorter than its maximum focal length.

Telephoto lens         
A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length.R.
telephoto lens         
¦ noun a lens with a longer focal length than standard, giving a narrow field of view and a magnified image.
telephoto lens         
(telephoto lenses)
A telephoto lens is a powerful camera lens which allows you to take close-up pictures of something that is far away.
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Wikipedia

Telephoto lens

A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. This is achieved by incorporating a special lens group known as a telephoto group that extends the light path to create a long-focus lens in a much shorter overall design. The angle of view and other effects of long-focus lenses are the same for telephoto lenses of the same specified focal length. Long-focal-length lenses are often informally referred to as telephoto lenses, although this is technically incorrect: a telephoto lens specifically incorporates the telephoto group.

Telephoto lenses are sometimes broken into the further sub-types of short telephoto (85–135 mm in 35 mm film format), medium telephoto: (135–300 mm in 35 mm film format) and super telephoto (over 300 mm in 35 mm film format) .