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History
Angénieux retrofocus
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The Angénieux retrofocus photographic lens is a wide-angle lens design that uses an inverted telephoto configuration. The popularity of this lens design made the name retrofocus synonymous with this type of lens. The Angénieux retrofocus for still cameras was introduced in France in 1950 by Pierre Angénieux.
Nikon Nikkor-H f=2.8cm f/3.5 lens (early 1960s); note large front element, characteristic of inverted telephoto designs
Nikon Nikkor-H f=2.8cm f/3.5 lens (early 1960s); note large front element, characteristic of inverted telephoto designs
Zeiss (Jena) Flektogon 4/20
Zeiss (Jena) Flektogon 4/20
Camera lens
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A camera lens is an optical lens or assembly of lenses 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.
Different kinds of camera lenses, including wide angle, telephoto and speciality
Different kinds of camera lenses, including wide angle, telephoto and speciality
The zoom lens assembly of the Canon Elph
The zoom lens assembly of the Canon Elph
Apertures in 1-stop increments on the same lens.
Apertures in 1-stop increments on the same lens.
How focal length affects photograph composition: adjusting the camera's distance from the main subject while changing focal length, the main subject c
How focal length affects photograph composition: adjusting the camera's distance from the main subject while changing focal length, the main subject can remain the same size, while the other at a different distance changes size.