The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 33mm F1.4 R LM WR and the Voigtlander 75mm F1.8 Heliar Classic 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 XF 33mm F1.4 R LM WR weighs 360g, which means it is 67g (15%) lighter than the Voigtlander 75mm F1.8 Heliar Classic which has a weight of 427g.
Lens Mounts
The Fujifilm XF 33mm F1.4 R LM WR has the Fujifilm X lens mount whereas the Voigtlander 75mm F1.8 Heliar Classic has the Leica M 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 Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount.
Focal Range
Fujifilm XF 33mm F1.4 R LM WR is a prime lens with fixed focal lenght of 33mm which has an effective (full-frame 35mm equivalent) focal range of
49.5mm when used on a APS-C / DX format camera.
On the other hand, the Voigtlander 75mm F1.8 Heliar Classic is a prime lens with fixed focal lenght of 75mm.