The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 18-50mm F2.8 DC DN C and the Tokina 11-18mm F2.8 ATX-M 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. Sigma 18-50mm F2.8 DC DN C is the longer of the two lenses at 77mm. The Tokina 11-18mm F2.8 ATX-M with a length of 71mm, is 6mm shorter. On the other hand, the Tokina 11-18mm F2.8 ATX-M has a larger diameter of 74mm compared to the Sigma 18-50mm F2.8 DC DN C's 62mm diameter.
Below you can find a scaled side-by-side image of Sigma 18-50mm F2.8 DC DN C and Tokina 11-18mm F2.8 ATX-M to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 18-50mm F2.8 DC DN C and the Tokina 11-18mm F2.8 ATX-M Size and Weight 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 18-50mm F2.8 DC DN C weighs 285g, which means it is 50g (14%) lighter than the Tokina 11-18mm F2.8 ATX-M which has a weight of 335g.
Filter Threads
The Sigma 18-50mm F2.8 DC DN C has a filter size of 55mm whereas the Tokina 11-18mm F2.8 ATX-M 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 55mm filters that we recommend you to consider for the Sigma 18-50mm F2.8 DC DN C:
And these are the 67mm filters that we recommend for the Tokina 11-18mm F2.8 ATX-M:
Lens Mounts
The Sigma 18-50mm F2.8 DC DN C has the Fujifilm X lens mount whereas the Tokina 11-18mm F2.8 ATX-M has the Sony E 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 Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
Leica L and Sony E mounts.
Focal Range
Sigma 18-50mm F2.8 DC DN C has a focal range of 18-50mm and
2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-75mm when used on a APS-C / DX format camera.
On the other hand, the Tokina 11-18mm F2.8 ATX-M 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.
