The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 18mm F1.4 R LM WR and the Fujifilm 23mm F1.4 R 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. Fujifilm XF 18mm F1.4 R LM WR is the longer of the two lenses at 76mm. The Fujifilm 23mm F1.4 R with a length of 63mm, is 13mm shorter. On the other hand, the Fujifilm 23mm F1.4 R has a larger diameter of 72mm compared to the Fujifilm XF 18mm F1.4 R LM WR's 69mm 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. Fujifilm 23mm F1.4 R weighs 300g, 18% (70g) lighter than the Fujifilm XF 18mm F1.4 R LM WR's weight of 370g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
Both the Fujifilm XF 18mm F1.4 R LM WR and the Fujifilm 23mm F1.4 R have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Fujifilm XF 18mm F1.4 R LM WR and the Fujifilm 23mm F1.4 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-S20, Fujifilm X-T5 and Fujifilm X-H2.
Focal Range
Fujifilm XF 18mm F1.4 R LM WR 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.
On the other hand, the Fujifilm 23mm F1.4 R 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.