The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 10-18mm F2.8 DC DN C and the Tokina 11-16mm f2.8 DX II 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 II is the longer of the two lenses at 89mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 25mm shorter. Besides being longer, the Tokina 11-16mm f2.8 DX II also has a larger diameter of 84mm compared to the Sigma 10-18mm F2.8 DC DN C's 72mm 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. Sigma 10-18mm F2.8 DC DN C weighs 255g, which means it is 305g (54%) lighter than the Tokina 11-16mm f2.8 DX II which has a weight of 560g.
Filter Threads
The Sigma 10-18mm F2.8 DC DN C has a filter size of 67mm whereas the Tokina 11-16mm f2.8 DX II 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 67mm filters that we recommend you to consider for the Sigma 10-18mm F2.8 DC DN C:
And these are the 77mm filters that we recommend for the Tokina 11-16mm f2.8 DX II:
Lens Mounts
The Sigma 10-18mm F2.8 DC DN C has the Sony E lens mount whereas the Tokina 11-16mm f2.8 DX II has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and Sony A68, Sony A77 II and Sony A58 for the Sony Alpha Mount.
Sigma 10-18mm F2.8 DC DN C is also available in the Leica L , Fujifilm X and Canon RF mounts.
Tokina 11-16mm f2.8 DX II is also available in Canon EF and Nikon F (DX) mounts.
Focal Range
Sigma 10-18mm F2.8 DC DN C has a focal range of 10-18mm and
1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-27mm when used on a APS-C / DX format camera.
On the other hand, the Tokina 11-16mm f2.8 DX II has a focal range of 11-16mm and 1.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16.5-24mm when used on a APS-C / DX format camera.