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 Canon EF mount cameras.
Sigma 24-35mm F2 DG HSM A 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 Sigma 24-35mm F2 DG HSM A is 35mm FF
Sigma 24-35mm F2 DG HSM A has a focal range of 24-35mm and 1.5X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 38.4 - 56mm.
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).
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.
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 .
Sigma 24-35mm F2 DG HSM A's optical formula consists of 18 elements in 13 groups.