The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 11-18mm F2.8 and the Canon RF-S 10-18mm F4.5-6.3 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 11-18mm F2.8 is the longer of the two lenses at 74mm. The Canon RF-S 10-18mm F4.5-6.3 with a length of 45mm, is 29mm shorter. Besides being longer, the Tokina 11-18mm F2.8 also has a larger diameter of 74mm compared to the Canon RF-S 10-18mm F4.5-6.3's 69mm 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 RF-S 10-18mm F4.5-6.3 weighs 150g, 52% (168g) lighter than the Tokina 11-18mm F2.8's weight of 318g.
Filter Threads
The Tokina 11-18mm F2.8 has a filter size of 67mm whereas the Canon RF-S 10-18mm F4.5-6.3 has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tokina 11-18mm F2.8:
And these are the 49mm filters that we recommend for the Canon RF-S 10-18mm F4.5-6.3:
Lens Mounts
The Tokina 11-18mm F2.8 has the Fujifilm X lens mount whereas the Canon RF-S 10-18mm F4.5-6.3 has the Canon RF lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Canon R50 V, Canon R100 and Canon R50 for the Canon RF Mount.
Focal Range
Tokina 11-18mm F2.8 has a focal range of 11-18mm and
1.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
16.5-27mm when used on a APS-C / DX format camera.
On the other hand, the Canon RF-S 10-18mm F4.5-6.3 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.
