The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 17-35mm f4 Pro FX and the Canon 17-40mm f4.0L 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. Canon 17-40mm f4.0L USM is the longer of the two lenses at 97mm. The Tokina 17-35mm f4 Pro FX with a length of 94mm, is 3mm shorter. On the other hand, the Tokina 17-35mm f4 Pro FX has a larger diameter of 89mm compared to the Canon 17-40mm f4.0L USM's 84mm 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 17-40mm f4.0L USM weighs 500g, 16% (100g) lighter than the Tokina 17-35mm f4 Pro FX's weight of 600g.
Filter Threads
The Tokina 17-35mm f4 Pro FX has a filter size of 82mm whereas the Canon 17-40mm f4.0L USM has a 77mm 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 Tokina 17-35mm f4 Pro FX:
And these are the 77mm filters that we recommend for the Canon 17-40mm f4.0L USM:
Lens Mounts
The Tokina 17-35mm f4 Pro FX has the Nikon F (FX) lens mount whereas the Canon 17-40mm f4.0L 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.
Tokina 17-35mm f4 Pro FX is also available in the Canon EF mount.
Focal Range
Tokina 17-35mm f4 Pro FX has a focal range of 17-35mm and
2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
25.5 - 52.5mm.
On the other hand, the Canon 17-40mm f4.0L USM has a focal range of 17-40mm and 2.4X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 27.2 - 64mm.
