The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 23mm F1.4 R LM WR and the Carl Zeiss Makro-Planar T2/50 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. Carl Zeiss Makro-Planar T2/50 is the longer of the two lenses at 88mm. The Fujifilm XF 23mm F1.4 R LM WR with a length of 78mm, is 10mm shorter. Besides being longer, the Carl Zeiss Makro-Planar T2/50 also has a larger diameter of 72mm compared to the Fujifilm XF 23mm F1.4 R LM WR's 67mm 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 23mm F1.4 R LM WR weighs 375g, which means it is 155g (29%) lighter than the Carl Zeiss Makro-Planar T2/50 which has a weight of 530g.
Filter Threads
The Fujifilm XF 23mm F1.4 R LM WR has a filter size of 58mm whereas the Carl Zeiss Makro-Planar T2/50 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Fujifilm XF 23mm F1.4 R LM WR:
And these are the 67mm filters that we recommend for the Carl Zeiss Makro-Planar T2/50:
Lens Mounts
The Fujifilm XF 23mm F1.4 R LM WR has the Fujifilm X lens mount whereas the Carl Zeiss Makro-Planar T2/50 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.
Carl Zeiss Makro-Planar T2/50 is also available in Pentax KAF and Nikon F (FX) mounts.
Focal Range
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.
On the other hand, the Carl Zeiss Makro-Planar T2/50 is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 80mm.