The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina atx-i Pro 11-16mm F2.8 CF and the Tokina 10-17mm f3.5-4.5 Fisheye 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 atx-i Pro 11-16mm F2.8 CF is the longer of the two lenses at 89mm. The Tokina 10-17mm f3.5-4.5 Fisheye with a length of 71mm, is 18mm shorter. Besides being longer, the Tokina atx-i Pro 11-16mm F2.8 CF also has a larger diameter of 84mm compared to the Tokina 10-17mm f3.5-4.5 Fisheye's 70mm 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. Tokina 10-17mm f3.5-4.5 Fisheye weighs 350g, 36% (205g) lighter than the Tokina atx-i Pro 11-16mm F2.8 CF's weight of 555g.
Lens Mounts
The Tokina atx-i Pro 11-16mm F2.8 CF has the Canon EF-S lens mount whereas the Tokina 10-17mm f3.5-4.5 Fisheye has the Canon EF 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-S Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount.
Tokina atx-i Pro 11-16mm F2.8 CF is also available in Canon EF-S mount.
Tokina 10-17mm f3.5-4.5 Fisheye is also available in Nikon F (DX) mount.
Focal Range
Tokina atx-i Pro 11-16mm F2.8 CF has a focal range of 11-16mm and
1.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
17.6-25.6mm when used on a APS-C / DX format camera.
On the other hand, the Tokina 10-17mm f3.5-4.5 Fisheye has a focal range of 10-17mm and 1.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-27.2mm when used on a APS-C / DX format camera.