Canon 28-135mm f3.5-5.6 IS USM is an Auto Focus (AF) Standard Zoom
lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.
Canon 28-135mm f3.5-5.6 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 28-135mm f3.5-5.6 IS USM is 35mm FF
Canon 28-135mm f3.5-5.6 IS USM has a focal range of 28-135mm and 4.8X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 44.8 - 216mm.
Optical Image Stabilization
Canon 28-135mm f3.5-5.6 IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Canon 28-135mm f3.5-5.6 IS USM is available in Black color.
Canon 28-135mm f3.5-5.6 IS USM features Rotary (extending)
zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Canon 28-135mm f3.5-5.6 IS USM has a Max Magnification Ratio of 0.19x
and has a minimum focusing distance of 0.5m
Canon 28-135mm f3.5-5.6 IS USM is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 28mm, and a max aperture of f5.6 and minimum aperture of f36 at 135mm .
Canon 28-135mm f3.5-5.6 IS USM's optical formula consists of 16 elements in 12 groups.