Sigma 70-200mm F2.8 EX DG HSM II is an Auto Focus (AF) Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Lens Mount
Sigma 70-200mm F2.8 EX DG HSM II is compatible with cameras that have
Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF3 lenses are
,
and
.
Sensor Coverage
Max sensor coverage of Sigma 70-200mm F2.8 EX DG HSM II is
35mm FF.
Focal Range
Sigma 70-200mm F2.8 EX DG HSM II has a focal range of 70-200mm and 2.9X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 105 - 300mm.
Optical Image Stabilization
Sigma 70-200mm F2.8 EX DG HSM II doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Body Colour
Sigma 70-200mm F2.8 EX DG HSM II is available in Black color.
Zoom Method
Sigma 70-200mm F2.8 EX DG HSM II 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
Sigma 70-200mm F2.8 EX DG HSM II has a Max Magnification Ratio of
0.28x and has a minimum focusing distance of
1m.
Aperture
Sigma 70-200mm F2.8 EX DG HSM II is a fixed aperture lens with a constant max aperture of f2.8 from 70mm all the way to the 200mm .
Optical Formula
Sigma 70-200mm F2.8 EX DG HSM II's optical formula consists of 18 elements in 15 groups.
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