The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm f1.4 DC C and the Viltrox 15mm F1.7 X 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 15mm f1.4 DC C is the longer of the two lenses at 65mm. The Viltrox 15mm F1.7 X with a length of 56mm, is 9mm shorter. On the other hand, the Viltrox 15mm F1.7 X has a larger diameter of 65mm compared to the Sigma 15mm f1.4 DC C's 64mm 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. Viltrox 15mm F1.7 X weighs 180g, 19% (45g) lighter than the Sigma 15mm f1.4 DC C's weight of 225g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
Both the Sigma 15mm f1.4 DC C and the Viltrox 15mm F1.7 X have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 15mm f1.4 DC C and the Viltrox 15mm F1.7 X 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 15mm f1.4 DC C is also available in the Canon RF and Sony E mounts.
Focal Range
Both lenses have the same focal range of
15mm but while Sigma 15mm f1.4 DC C has the fastest aperture of
F1.4, the Viltrox 15mm F1.7 X's widest aperture value is
F1.7.
