The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 12-24mm F4.5-5.6 EX DG HSM and the Tokina 12-24mm f4 DX II 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. Sigma 12-24mm F4.5-5.6 EX DG HSM is the longer of the two lenses at 103mm. The Tokina 12-24mm f4 DX II with a length of 90mm, is 13mm shorter. Besides being longer, the Sigma 12-24mm F4.5-5.6 EX DG HSM also has a larger diameter of 87mm compared to the Tokina 12-24mm f4 DX II's 84mm 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. Tokina 12-24mm f4 DX II weighs 540g, 9% (60g) lighter than the Sigma 12-24mm F4.5-5.6 EX DG HSM's weight of 600g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Canon EF Mount for size comparison purposes.
Ultra-Wideangle Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Sigma 12-24mm F4.5-5.6 EX DG HSM and the Tokina 12-24mm f4 DX II has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 12-24mm F4.5-5.6 EX DG HSM is also available in Pentax KAF , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Tokina 12-24mm f4 DX II is also available in Nikon F (DX) mount.
Focal Range
Both lenses have the same focal range of
12-24mm but while Sigma 12-24mm F4.5-5.6 EX DG HSM has the fastest aperture of
F4.5 - F5.6, the Tokina 12-24mm f4 DX II's widest aperture value is
F4.0.