The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina AT-X 14-20mm F2 Pro DX and the Canon 16-35mm f2.8L II 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 16-35mm f2.8L II USM is the longer of the two lenses at 112mm. The Tokina AT-X 14-20mm F2 Pro DX with a length of 106mm, is 6mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 89mm.
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 16-35mm f2.8L II USM weighs 635g, 12% (90g) lighter than the Tokina AT-X 14-20mm F2 Pro DX's weight of 725g.
Filter Threads
Both the Tokina AT-X 14-20mm F2 Pro DX and the Canon 16-35mm f2.8L II USM have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tokina AT-X 14-20mm F2 Pro DX and the Canon 16-35mm f2.8L II USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon T8i, Canon 90D and Canon SL3.
Tokina AT-X 14-20mm F2 Pro DX is also available in Nikon F (DX) mount.
Focal Range
Tokina AT-X 14-20mm F2 Pro DX has a focal range of 14-20mm and
1.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
22.4-32mm when used on a APS-C / DX format camera.
On the other hand, the Canon 16-35mm f2.8L II USM has a focal range of 16-35mm and 2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 25.6 - 56mm.