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 18mm F2 R 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 10-18mm F2.8 DC DN C is the longer of the two lenses at 64mm. The Fujifilm 18mm F2 R with a length of 41mm, is 23mm shorter. Besides being longer, the Sigma 10-18mm F2.8 DC DN C also has a larger diameter of 72mm compared to the Fujifilm 18mm F2 R's 65mm diameter.
Below you can find a scaled side-by-side image of Sigma 10-18mm F2.8 DC DN C and Fujifilm 18mm F2 R 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 18mm F2 R 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. Fujifilm 18mm F2 R weighs 116g, 53% (134g) lighter than the Sigma 10-18mm F2.8 DC DN C's weight of 250g.
Lens Mounts
Both the Sigma 10-18mm F2.8 DC DN C and the Fujifilm 18mm F2 R 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 18mm F2 R is a prime lens with fixed focal lenght of 18mm which has an effective (full-frame 35mm equivalent) focal range of 27mm when used on a APS-C / DX format camera.