Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Fujifilm XF 80mm F2.8 OIS WR Macro is the longer of the two lenses at 130mm. The Samyang MF 85mm F1.4 Mk2 with a length of 75mm is 55mm shorter. Besides being longer, the Fujifilm XF 80mm F2.8 OIS WR Macro also has a larger diameter of 80mm compared to Samyang MF 85mm F1.4 Mk2's 78mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samyang MF 85mm F1.4 Mk2 weighs 548g, which means it is 202g (26%) lighter than the Fujifilm XF 80mm F2.8 OIS WR Macro which has a weight of 750g.
Both Samyang MF 85mm F1.4 Mk2 and Fujifilm XF 80mm F2.8 OIS WR Macro has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-H2, Fujifilm X-H2S and Fujifilm X-T30 II.
Samyang MF 85mm F1.4 Mk2 is also available in Canon EF , Canon EF-M, Micro Four Thirds, Nikon F (FX) and Sony E mounts.
Samyang MF 85mm F1.4 Mk2 is a prime lens with fixed focal lenght of 85mm. Fujifilm XF 80mm F2.8 OIS WR Macro is a prime lens with fixed focal lenght of 80mm which has a 35mm equivalent focal range of 127.5mm when used on a APS-C / DX format camera.