The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan AF 75mm F2 and the Viltrox AF 56mm f1.7 XF 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 AF 75mm F2 is the longer of the two lenses at 69mm. The Viltrox AF 56mm f1.7 XF with a length of 55mm, is 14mm shorter. Besides being longer, the TTArtisan AF 75mm F2 also has a larger diameter of 68mm compared to the Viltrox AF 56mm f1.7 XF's 65mm 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 AF 56mm f1.7 XF weighs 171g, 47% (157g) lighter than the TTArtisan AF 75mm F2's weight of 328g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Fujifilm X Mount for size comparison purposes.
Telephoto Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
The TTArtisan AF 75mm F2 has a filter size of 62mm whereas the Viltrox AF 56mm f1.7 XF has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the TTArtisan AF 75mm F2:
And these are the 52mm filters that we recommend for the Viltrox AF 56mm f1.7 XF:
Lens Mounts
Both the TTArtisan AF 75mm F2 and the Viltrox AF 56mm f1.7 XF 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.
TTArtisan AF 75mm F2 is also available in the Sony E , Nikon Z and Leica L mounts.
Focal Range
TTArtisan AF 75mm F2 is a prime lens with fixed focal lenght of 75mm.
On the other hand, the Viltrox AF 56mm f1.7 XF is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of 84mm when used on a APS-C / DX format camera.
