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 Sirui 85mm F1.4 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. Sirui 85mm F1.4 X is the longer of the two lenses at 102mm. The TTArtisan AF 75mm F2 with a length of 69mm, is 33mm shorter. Besides being longer, the Sirui 85mm F1.4 X also has a larger diameter of 80mm compared to the TTArtisan AF 75mm F2's 68mm 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. TTArtisan AF 75mm F2 weighs 328g, which means it is 212g (39%) lighter than the Sirui 85mm F1.4 X which has a weight of 540g.
Filter Threads
The TTArtisan AF 75mm F2 has a filter size of 62mm whereas the Sirui 85mm F1.4 X has a 67mm 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 67mm filters that we recommend for the Sirui 85mm F1.4 X:
Lens Mounts
The TTArtisan AF 75mm F2 has the Leica L lens mount whereas the Sirui 85mm F1.4 X has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
TTArtisan AF 75mm F2 is also available in the Sony E , Nikon Z and Fujifilm X mounts.
Focal Range
TTArtisan AF 75mm F2 is a prime lens with fixed focal lenght of 75mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
112.5mm.
On the other hand, the Sirui 85mm F1.4 X is a prime lens with fixed focal lenght of 85mm which has an effective (full-frame 35mm equivalent) focal range of 127.5mm when used on a 35mm FF format camera.