Canon 70-200mm f4L 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.
Lenses in Canon EF Mount with Same Focal and Aperture Range
Canon 70-200mm f4L 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
Max sensor coverage of Canon 70-200mm f4L IS USM is 35mm FF
Canon 70-200mm f4L 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 f4L IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Canon 70-200mm f4L 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.
Maximum Magnification Ratio
Canon 70-200mm f4L IS USM has a Max Magnification Ratio of 0.21x
and has a minimum focusing distance of 1.2m
Canon 70-200mm f4L IS USM is a fixed aperture lens with a constant max aperture of f4 from 70mm all the way to the 200mm .
Canon 70-200mm f4L IS USM's optical formula consists of 20 elements in 15 groups.