The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Noctilux-M 50mm f0.95 ASPH and the Fujifilm 18mm F2 R 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. Leica Noctilux-M 50mm f0.95 ASPH is the longer of the two lenses at 75mm. The Fujifilm 18mm F2 R with a length of 41mm, is 34mm shorter. Besides being longer, the Leica Noctilux-M 50mm f0.95 ASPH also has a larger diameter of 73mm compared to the Fujifilm 18mm F2 R's 65mm 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 18mm F2 R weighs 116g, 83% (584g) lighter than the Leica Noctilux-M 50mm f0.95 ASPH's weight of 700g.
Lens Mounts
The Leica Noctilux-M 50mm f0.95 ASPH has the Leica M lens mount whereas the Fujifilm 18mm F2 R has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
Leica Noctilux-M 50mm f0.95 ASPH is a prime lens with fixed focal lenght of 50mm.
On the other hand, the Fujifilm 18mm F2 R is a prime lens with fixed focal lenght of 18mm which has an effective (full-frame 35mm equivalent) focal range of 27mm when used on a APS-C / DX format camera.
