Canon 70-200mm f2.8L IS USM is an Auto Focus (AF)
Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.
Canon 70-200mm f2.8L IS USM was replaced with Canon EF 70-200mm f2.8L IS II USM. Follow the link to read our comparison of these lenses:
Compare Canon EF 70-200mm f2.8L IS USM vs Canon EF 70-200mm f2.8L IS II USM
Lenses in Canon EF Mount with Same Focal and Aperture Range
Lens Mount
Canon 70-200mm f2.8L IS USM is compatible with cameras that have Canon EF lens mount.Some of the latest released cameras with Canon EF lens mount are
Canon 1D X III,
Canon 6D MII and
Canon 5D MIV.
Sensor Coverage
Max sensor coverage of Canon 70-200mm f2.8L IS USM is 35mm FF.
Focal Range
Canon 70-200mm f2.8L IS USM has a focal range of 70-200mm and 2.9X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 112 - 320mm.
Optical Image Stabilization
Canon 70-200mm f2.8L IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Body Colour
Canon 70-200mm f2.8L IS USM is available in Grey and Black color.
Zoom Method
Canon 70-200mm f2.8L IS USM features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Aperture
Canon 70-200mm f2.8L IS USM is a fixed aperture lens with a constant max aperture of f2.8 from 70mm all the way to the 200mm .
Optical Formula
Canon 70-200mm f2.8L IS USM's optical formula consists of 23 elements in 18 groups.