The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon TS-E 17mm f4L and the Sigma 14mm F1.8 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. Sigma 14mm F1.8 DG HSM is the longer of the two lenses at 126mm. The Canon TS-E 17mm f4L with a length of 107mm, is 19mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM also has a larger diameter of 95mm compared to the Canon TS-E 17mm f4L's 89mm 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 TS-E 17mm f4L weighs 820g, which means it is 350g (29%) lighter than the Sigma 14mm F1.8 DG HSM which has a weight of 1170g.
Below you can find the dimension and weight table of the Perspective Control Prime Lenses in Canon EF Mount for size comparison purposes.
Ultra-Wideangle Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Canon TS-E 17mm f4L and the Sigma 14mm F1.8 DG HSM 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 14mm F1.8 DG HSM is also available in Sigma SA and Nikon F (FX) mounts.
Focal Range
Canon TS-E 17mm f4L is a prime lens with fixed focal lenght of 17mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
27.2mm.
On the other hand, the Sigma 14mm F1.8 DG HSM is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 22.4mm.