Sigma 70-200 F2.8 DG OS HSM S 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
Lens Mount
Sigma 70-200 F2.8 DG OS HSM S 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 Sigma 70-200 F2.8 DG OS HSM S is
35mm FF.
Focal Range
Sigma 70-200 F2.8 DG OS HSM S 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
Sigma 70-200 F2.8 DG OS HSM S features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Method
Sigma 70-200 F2.8 DG OS HSM S 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.
Zoom Lock
Sigma 70-200 F2.8 DG OS HSM S has a
Zoom lock feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.
Maximum Magnification Ratio
Sigma 70-200 F2.8 DG OS HSM S has a Max Magnification Ratio of
0.21x and has a minimum focusing distance of
1.2m.
Aperture
Sigma 70-200 F2.8 DG OS HSM S is a fixed aperture lens with a constant max aperture of f2.8 from 70mm all the way to the 200mm .
Optical Formula
Sigma 70-200 F2.8 DG OS HSM S's optical formula consists of 24 elements in 22 groups. Following special elements are used in this design:
- one SLD
- nine FLD elements