Canon EF 70-210mm lens
Encyclopedia
The EF 70-210mm lens is a discontinued telephoto
Telephoto lens
In photography and cinematography, a telephoto lens 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...

 zoom
Zoom lens
A zoom lens is a mechanical assembly of lens elements for which the focal length can be varied, as opposed to a fixed focal length lens...

 lens
Photographic lens
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.While in principle a simple convex lens will suffice, in...

 made by Canon Inc.
Canon Inc.
is a Japanese multinational corporation that specialises in the manufacture of imaging and optical products, including cameras, camcorders, photocopiers, steppers and computer printers. Its headquarters are located in Ōta, Tokyo, Japan.-Origins:...



The lens has an EF
Canon EF lens mount
Introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens...

 mount and works with EOS
Canon EOS
The Canon EOS autofocus 35 mm film and digital SLR camera system was introduced in 1987 with the Canon EOS 650 and is still in production as Canon's current DSLR system...

 film and digital cameras.

The lens comes in two different versions:
  • Canon EF 70-210mm 4 AFD (1987–1990)
  • Canon EF 70-210mm 3.5-4.5 USM (introduced 1990)


The lens was superseded by the 80-200mm lens
Canon EF 80-200mm lens
The EF 80-200mm lens is a discontinued telephoto zoom lens made by Canon. The lens has an EF lens mount that fits the EOS line of cameras.-Versions:There are four versions:2.8L lens4.5-5.6 lens4.5-5.6 USM4.5-5.6 II...

 and the 70-200mm lenses
Canon EF 70-200mm lens
The EF 70-200mm lens is a telephoto zoom lens made by Canon Inc.The lens has an EF mount to work with the EOS line of cameras.The lens comes in five different versions, all of which have fixed maximum aperture at all focal lengths and are L-series lenses.2.8L IS USM2.8L IS II USM2.8L USM4L IS USM4L...

.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK