The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 70-200mm f4L IS USM and the Sigma 12-24mm F4.5-5.6 II DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Canon 70-200mm f4L IS USM is the longer of the two lenses at 172mm. The Sigma 12-24mm F4.5-5.6 II DG HSM with a length of 120mm, is 52mm shorter. On the other hand, the Sigma 12-24mm F4.5-5.6 II DG HSM has a larger diameter of 87mm compared to the Canon 70-200mm f4L IS USM's 76mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 12-24mm F4.5-5.6 II DG HSM weighs 670g, 11% (90g) lighter than the Canon 70-200mm f4L IS USM's weight of 760g.
Lens Mounts
The Canon 70-200mm f4L IS USM has the Canon EF lens mount whereas the Sigma 12-24mm F4.5-5.6 II DG HSM has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Sigma 12-24mm F4.5-5.6 II DG HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
Canon 70-200mm f4L IS USM 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 a 35mm (FF) equivalent of
112 - 320mm.
On the other hand, the 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 1.5x crop, it provides a 35mm (FF) equivalent of 18 - 36mm.
