The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 23mm F2 WR and the Sigma 30mm F1.4 C 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. Sigma 30mm F1.4 C is the longer of the two lenses at 73mm. The Fujifilm 23mm F2 WR with a length of 52mm, is 21mm shorter. Besides being longer, the Sigma 30mm F1.4 C also has a larger diameter of 65mm compared to the Fujifilm 23mm F2 WR's 60mm diameter.
Below you can find a scaled side-by-side image of Fujifilm 23mm F2 WR and Sigma 30mm F1.4 C to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm 23mm F2 WR and the Sigma 30mm F1.4 C Size and Weight 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 F2 WR weighs 180g, which means it is 85g (32%) lighter than the Sigma 30mm F1.4 C which has a weight of 265g.
Filter Threads
The Fujifilm 23mm F2 WR has a filter size of 43mm whereas the Sigma 30mm F1.4 C has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 43mm filters that we recommend you to consider for the Fujifilm 23mm F2 WR:
And these are the 52mm filters that we recommend for the Sigma 30mm F1.4 C:
Lens Mounts
The Fujifilm 23mm F2 WR has the Fujifilm X lens mount whereas the Sigma 30mm F1.4 C has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
Sigma 30mm F1.4 C is also available in Micro Four Thirds , Fujifilm X , Nikon Z , Leica L and Canon RF mounts.
Focal Range
Fujifilm 23mm F2 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.
On the other hand, the Sigma 30mm F1.4 C is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 45mm when used on a APS-C / DX format camera.