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2. Telephoto lens - Wikipedia

   en.wikipedia.org/wiki/Telephoto_lens

   A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length of the lens is shorter than the focal length. [ 1 ] : 93 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 ...

3. Long-focus lens - Wikipedia

   en.wikipedia.org/wiki/Long-focus_lens

   A 500 mm long-focus lens of non-telephoto design. In photography, a long-focus lens is a camera lens which has a focal length that is longer than the diagonal measure of the film or sensor that receives its image. [1] [2] It is used to make distant objects appear magnified with magnification increasing as longer focal length lenses are used.

4. Photographic lens design - Wikipedia

   en.wikipedia.org/wiki/Photographic_lens_design

   Optically designed as a reverse telephoto to enable the lens to fit into a standard mount as the focal length can be less than the distance from lens mount to focal plane. Long-focus lens - a lens with a focal length greater than the diagonal of the film frame or sensor. Long focus lenses are relatively simple to design, the challenges being ...

5. 35 mm equivalent focal length - Wikipedia

   en.wikipedia.org/wiki/35_mm_equivalent_focal_length

   35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...

6. Camera lens - Wikipedia

   en.wikipedia.org/wiki/Camera_lens

   Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

7. The best lens for street photography in 2022: top 35mm prime ...

   www.aol.com/news/best-lens-street-photography...

   A 35mm prime is often considered the best lens for street photography. Here are our top picks for Canon, Nikon and Sony shooters The best lens for street photography in 2022: top 35mm prime lenses ...