The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.8 DG HSM and the Canon 14mm f2.8L II USM 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 14mm F1.8 DG HSM is the longer of the two lenses at 126mm. The Canon 14mm f2.8L II USM with a length of 94mm, is 32mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM also has a larger diameter of 95mm compared to the Canon 14mm f2.8L II USM's 80mm 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. Canon 14mm f2.8L II USM weighs 645g, 44% (525g) lighter than the Sigma 14mm F1.8 DG HSM's weight of 1170g.
Lens Mounts
The Sigma 14mm F1.8 DG HSM has the Sigma SA lens mount whereas the Canon 14mm f2.8L II USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 14mm F1.8 DG HSM is also available in the Nikon F (FX) and Canon EF mounts.
Focal Range
Both lenses have the same focal range of
14mm but while Sigma 14mm F1.8 DG HSM has the fastest aperture of
F1.8, the Canon 14mm f2.8L II USM's widest aperture value is
F2.8.
