The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm f1.4 DC C and the Fujifilm XF 23mm F1.4 R LM WR 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 23mm F1.4 R LM WR is the longer of the two lenses at 78mm. The Sigma 15mm f1.4 DC C with a length of 65mm, is 13mm shorter. Besides being longer, the Fujifilm XF 23mm F1.4 R LM WR also has a larger diameter of 67mm compared to the Sigma 15mm f1.4 DC C's 64mm 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. Sigma 15mm f1.4 DC C weighs 225g, which means it is 150g (40%) lighter than the Fujifilm XF 23mm F1.4 R LM WR which has a weight of 375g.
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 Sigma 15mm f1.4 DC C and the Fujifilm XF 23mm F1.4 R LM WR have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 15mm f1.4 DC C and the Fujifilm XF 23mm F1.4 R LM WR 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.
Sigma 15mm f1.4 DC C is also available in the Canon RF and Sony E mounts.
Focal Range
Sigma 15mm f1.4 DC C is a prime lens with fixed focal lenght of 15mm which has an effective (full-frame 35mm equivalent) focal range of
22.5mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm XF 23mm F1.4 R LM WR 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.
