The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm F2.8 EX DG Fisheye and the Canon 15mm f2.8 Fisheye 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 15mm F2.8 EX DG Fisheye is the longer of the two lenses at 65mm. The Canon 15mm f2.8 Fisheye with a length of 62mm, is 3mm shorter. Besides being longer, the Sigma 15mm F2.8 EX DG Fisheye also has a larger diameter of 74mm compared to the Canon 15mm f2.8 Fisheye's 73mm 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 15mm f2.8 Fisheye weighs 330g, 10% (40g) lighter than the Sigma 15mm F2.8 EX DG Fisheye's weight of 370g.
Lens Mounts
The Sigma 15mm F2.8 EX DG Fisheye has the Sigma SA lens mount whereas the Canon 15mm f2.8 Fisheye 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 15mm F2.8 EX DG Fisheye is also available in the Canon EF , Nikon F (FX), Pentax KAF and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of
15mm and the fastest aperture of
F2.8.
