Sigma 24-35mm F2 DG HSM A is an Auto Focus (AF)
Wideangle Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Sigma SA mount cameras.
Lens Mount
Sigma 24-35mm F2 DG HSM A is compatible with cameras that have
Sigma SA lens mount. Some of the latest released cameras with Sigma SA lens mount are
Sigma Quattro,
Sigma Quattro H and
Sigma SD1 Merrill.
Sensor Coverage
Max sensor coverage of Sigma 24-35mm F2 DG HSM A is
35mm FF.
Focal Range
Sigma 24-35mm F2 DG HSM A has a focal range of 24-35mm and 1.5X zoom ratio.
Optical Image Stabilization
Sigma 24-35mm F2 DG HSM A 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).
Zoom Method
Sigma 24-35mm F2 DG HSM A 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 24-35mm F2 DG HSM A has a Max Magnification Ratio of
0.23x and has a minimum focusing distance of
0.28m.
Aperture
Sigma 24-35mm F2 DG HSM A is a fixed aperture lens with a constant max aperture of f2 from 24mm all the way to the 35mm .
Optical Formula
Sigma 24-35mm F2 DG HSM A's optical formula consists of 18 elements in 13 groups.
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