The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 16mm F2.8 R WR and the Voigtlander 20mm F3.5 SL II 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 16mm F2.8 R WR is the longer of the two lenses at 45mm. The Voigtlander 20mm F3.5 SL II with a length of 29mm, is 16mm shorter. On the other hand, the Voigtlander 20mm F3.5 SL II has a larger diameter of 63mm compared to the Fujifilm XF 16mm F2.8 R WR's 60mm 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 XF 16mm F2.8 R WR weighs 155g, which means it is 50g (24%) lighter than the Voigtlander 20mm F3.5 SL II which has a weight of 205g.
Filter Threads
The Fujifilm XF 16mm F2.8 R WR has a filter size of 49mm whereas the Voigtlander 20mm 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 49mm filters that we recommend you to consider for the Fujifilm XF 16mm F2.8 R WR:
And these are the 52mm filters that we recommend for the Voigtlander 20mm F3.5 SL II:
Lens Mounts
The Fujifilm XF 16mm F2.8 R WR has the Fujifilm X lens mount whereas the Voigtlander 20mm F3.5 SL II has the Canon EF 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 Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Voigtlander 20mm F3.5 SL II is also available in Nikon F (FX) and Pentax KAF mounts.
Focal Range
Fujifilm XF 16mm F2.8 R WR is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of
24mm when used on a APS-C / DX format camera.
On the other hand, the Voigtlander 20mm F3.5 SL II is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 32mm.