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 Voigtlander 90mm F3.5 SL II for their suitability to various photography scenarios:
Size and Weight Comparison
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 140g (43%) lighter than the Voigtlander 90mm F3.5 SL II which has a weight of 320g.
Filter Threads
The Fujifilm 23mm F2 WR has a filter size of 43mm whereas the Voigtlander 90mm F3.5 SL II 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 Voigtlander 90mm F3.5 SL II:
Lens Mounts
The Fujifilm 23mm F2 WR has the Fujifilm X lens mount whereas the Voigtlander 90mm F3.5 SL II has the Nikon F (FX) 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 Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Voigtlander 90mm F3.5 SL II is also available in Canon EF and Pentax KAF 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 Voigtlander 90mm F3.5 SL II is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 135mm.
