The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 15mm F1.7 X 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. Viltrox 15mm F1.7 X is the longer of the two lenses at 56mm. The Fujifilm 18mm F2 R with a length of 41mm, is 15mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 65mm.
Below you can find a scaled side-by-side image of Viltrox 15mm F1.7 X and Fujifilm 18mm F2 R to get a better idea of how their sizes compare in real life.
Comparison image of the Viltrox 15mm F1.7 X 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, 35% (64g) lighter than the Viltrox 15mm F1.7 X's weight of 180g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Fujifilm X Mount
Lens Mounts
Both the Viltrox 15mm F1.7 X 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 .
Focal Range
Viltrox 15mm F1.7 X is a prime lens with fixed focal lenght of 15mm which has an effective (full-frame 35mm equivalent) focal range of
22.5mm 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.
