The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina atx-m 23mm F1.4 X and the Fujifilm 18mm F2 R for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Tokina atx-m 23mm F1.4 X is the longer of the two lenses at 72mm. The Fujifilm 18mm F2 R with a length of 41mm is 31mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 65mm.
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. Fujifilm 18mm F2 R weighs 116g, 57% (160g) lighter than the Tokina atx-m 23mm F1.4 X's weight of 276g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Prime Lenses in Fujifilm X Mount for Size Comparison
Both Tokina atx-m 23mm F1.4 X and 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-T5, Fujifilm X-H2 and Fujifilm X-H2S.
Tokina atx-m 23mm F1.4 X is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of 34.5mm when used on a APS-C / DX format camera. 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.