The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 13mm F1.4 XF and the Sigma 10-18mm F2.8 DC DN C 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. Viltrox 13mm F1.4 XF is the longer of the two lenses at 90mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 26mm shorter. Besides being longer, the Viltrox 13mm F1.4 XF also has a larger diameter of 74mm 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 250g, 40% (170g) lighter than the Viltrox 13mm F1.4 XF's weight of 420g.
Filter Threads
Both the Viltrox 13mm F1.4 XF and the Sigma 10-18mm F2.8 DC DN C have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Viltrox 13mm F1.4 XF and the Sigma 10-18mm F2.8 DC DN C 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 Sony E , Leica L and Canon RF mounts.
Focal Range
Viltrox 13mm F1.4 XF is a prime lens with fixed focal lenght of 13mm which has an effective (full-frame 35mm equivalent) focal range of
19.5mm when used on a APS-C / DX format camera.
On the other hand, the 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.
