The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 11-16mm f2.8 DX and the Canon 10-18mm f4.5-5.6 IS STM 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 11-16mm f2.8 DX is the longer of the two lenses at 89mm. The Canon 10-18mm f4.5-5.6 IS STM with a length of 72mm, is 17mm shorter. Besides being longer, the Tokina 11-16mm f2.8 DX also has a larger diameter of 84mm compared to the Canon 10-18mm f4.5-5.6 IS STM's 75mm 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 10-18mm f4.5-5.6 IS STM weighs 240g, 57% (320g) lighter than the Tokina 11-16mm f2.8 DX's weight of 560g.
Filter Threads
The Tokina 11-16mm f2.8 DX has a filter size of 77mm whereas the Canon 10-18mm f4.5-5.6 IS STM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Tokina 11-16mm f2.8 DX:
And these are the 67mm filters that we recommend for the Canon 10-18mm f4.5-5.6 IS STM:
Lens Mounts
The Tokina 11-16mm f2.8 DX has the Canon EF lens mount whereas the Canon 10-18mm f4.5-5.6 IS STM has the Canon EF-S 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 Canon T8i, Canon 90D and Canon SL3 for the Canon EF-S Mount.
Tokina 11-16mm f2.8 DX is also available in Nikon F (DX) and Sony Alpha mounts.
Focal Range
Tokina 11-16mm f2.8 DX 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 Canon 10-18mm f4.5-5.6 IS STM has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-28.8mm when used on a APS-C / DX format camera.