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 Fujifilm XF 8-16mm F2.8 R LM WR 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. Fujifilm XF 8-16mm F2.8 R LM WR is the longer of the two lenses at 122mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 58mm shorter. Besides being longer, the Fujifilm XF 8-16mm F2.8 R LM WR also has a larger diameter of 88mm compared to the Sigma 10-18mm F2.8 DC DN C's 72mm diameter.
Below you can find a scaled side-by-side image of Sigma 10-18mm F2.8 DC DN C and Fujifilm XF 8-16mm F2.8 R LM WR to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 10-18mm F2.8 DC DN C and the Fujifilm XF 8-16mm F2.8 R LM WR 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 10-18mm F2.8 DC DN C weighs 250g, which means it is 555g (68%) lighter than the Fujifilm XF 8-16mm F2.8 R LM WR which has a weight of 805g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Fujifilm X Mount for size comparison purposes.
Ultra-Wideangle Lenses in Fujifilm X Mount for Size Comparison
Lens Mounts
Both the Sigma 10-18mm F2.8 DC DN C and the Fujifilm XF 8-16mm F2.8 R LM WR has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Sigma 10-18mm F2.8 DC DN C is also available in the Sony E , Leica L and Canon RF 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 Fujifilm XF 8-16mm F2.8 R LM WR has a focal range of 8-16mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 12-24mm when used on a APS-C / DX format camera.