The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan 17mm F4 TS and the Viltrox 25mm 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. TTArtisan 17mm F4 TS is the longer of the two lenses at 100mm. The Viltrox 25mm F1.7 X with a length of 56mm, is 44mm shorter. Besides being longer, the TTArtisan 17mm F4 TS also has a larger diameter of 88mm compared to the Viltrox 25mm F1.7 X'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 25mm F1.7 X weighs 180g, 82% (871g) lighter than the TTArtisan 17mm F4 TS's weight of 1051g.
Lens Mounts
The TTArtisan 17mm F4 TS has the Fujifilm G lens mount whereas the Viltrox 25mm F1.7 X has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm GFX Eterna 55, Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
TTArtisan 17mm F4 TS is also available in the Sony E , Nikon Z, Canon RF and Leica L mounts.
Focal Range
TTArtisan 17mm F4 TS is a prime lens with fixed focal lenght of 17mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
25.5mm.
On the other hand, the Viltrox 25mm F1.7 X is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of 37.5mm when used on a APS-C / DX format camera.
