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 Samyang AF 14mm F2.8 EF 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. Canon TS-E 17mm f4L is the longer of the two lenses at 107mm. The Samyang AF 14mm F2.8 EF with a length of 96mm, is 11mm shorter. On the other hand, the Samyang AF 14mm F2.8 EF has a larger diameter of 91mm 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. Samyang AF 14mm F2.8 EF weighs 485g, 40% (335g) lighter than the Canon TS-E 17mm f4L's weight of 820g.
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 Samyang AF 14mm F2.8 EF 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.
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 Samyang AF 14mm F2.8 EF 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.