The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 135mm F1.8 DG HSM and the Canon 135mm f2.0L 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 135mm F1.8 DG HSM is the longer of the two lenses at 115mm. The Canon 135mm f2.0L USM with a length of 112mm, is 3mm shorter. Besides being longer, the Sigma 135mm F1.8 DG HSM also has a larger diameter of 91mm compared to the Canon 135mm f2.0L USM's 83mm 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 135mm f2.0L USM weighs 750g, 33% (380g) lighter than the Sigma 135mm F1.8 DG HSM's weight of 1130g.
Filter Threads
The Sigma 135mm F1.8 DG HSM has a filter size of 82mm whereas the Canon 135mm f2.0L USM has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Sigma 135mm F1.8 DG HSM:
And these are the 72mm filters that we recommend for the Canon 135mm f2.0L USM:
Lens Mounts
The Sigma 135mm F1.8 DG HSM has the Nikon F (FX) lens mount whereas the Canon 135mm f2.0L USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) 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 135mm F1.8 DG HSM is also available in the Sigma SA , Canon EF and Sony E mounts.
Focal Range
Both lenses have the same focal range of
135mm but while Sigma 135mm F1.8 DG HSM has the fastest aperture of
F1.8, the Canon 135mm f2.0L USM's widest aperture value is
F2.0.