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 Samyang 16mm f2.0 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. Tokina AT-X 14-20mm F2 Pro DX is the longer of the two lenses at 106mm. The Samyang 16mm f2.0 with a length of 89mm, is 17mm shorter. Besides being longer, the Tokina AT-X 14-20mm F2 Pro DX also has a larger diameter of 89mm compared to the Samyang 16mm f2.0'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. Samyang 16mm f2.0 weighs 583g, 19% (142g) lighter than the Tokina AT-X 14-20mm F2 Pro DX's weight of 725g.
Filter Threads
The Tokina AT-X 14-20mm F2 Pro DX has a filter size of 82mm whereas the Samyang 16mm f2.0 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 AT-X 14-20mm F2 Pro DX:
And these are the 77mm filters that we recommend for the Samyang 16mm f2.0:
Lens Mounts
The Tokina AT-X 14-20mm F2 Pro DX has the Canon EF lens mount whereas the Samyang 16mm f2.0 has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount and Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Tokina AT-X 14-20mm F2 Pro DX is also available in the Nikon F (DX) mount.
Samyang 16mm f2.0 is also available in Canon EF , Canon EF-M, Fujifilm X, Four Thirds, Micro Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
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 Samyang 16mm f2.0 is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of 24mm when used on a APS-C / DX format camera.
