Sigma 12-24mm F4.5-5.6 II DG HSM 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 replaced the older Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM Canon EF with this model. Follow the link to read our detailed comparison of these models: Compare Sigma 12-24mm F4.5-5.6 II DG HSM Canon EF vs Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM Canon EF
Lenses in Canon EF Mount with Same Focal and Aperture Range
Sigma 12-24mm F4.5-5.6 II DG HSM 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 12-24mm F4.5-5.6 II DG HSM is 35mm FF
Sigma 12-24mm F4.5-5.6 II DG HSM has a focal range of 12-24mm and 2.0X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 19.2 - 38.4mm.
Optical Image Stabilization
Sigma 12-24mm F4.5-5.6 II DG HSM 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 12-24mm F4.5-5.6 II DG HSM 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 12-24mm F4.5-5.6 II DG HSM has a Max Magnification Ratio of 0.16x
and has a minimum focusing distance of 0.28m
Sigma 12-24mm F4.5-5.6 II DG HSM is a variable aperture lens with a max aperture of f4.5 and a minimum aperture of f22 at 12mm, and a max aperture of f5.6 and minimum aperture of f22 at 24mm .
Sigma 12-24mm F4.5-5.6 II DG HSM's optical formula consists of 17 elements in 13 groups.
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