The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica APO-SL 75mm F2 ASPH and the Fujifilm GF 45mm F2.8 R WR 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 APO-SL 75mm F2 ASPH is the longer of the two lenses at 102mm. The Fujifilm GF 45mm F2.8 R WR with a length of 88mm, is 14mm shorter. On the other hand, the Fujifilm GF 45mm F2.8 R WR has a larger diameter of 84mm compared to the Leica APO-SL 75mm F2 ASPH's 73mm 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 GF 45mm F2.8 R WR weighs 490g, 31% (230g) lighter than the Leica APO-SL 75mm F2 ASPH's weight of 720g.
Filter Threads
The Leica APO-SL 75mm F2 ASPH has a filter size of 67mm whereas the Fujifilm GF 45mm F2.8 R WR has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Leica APO-SL 75mm F2 ASPH:
And these are the 62mm filters that we recommend for the Fujifilm GF 45mm F2.8 R WR:
Lens Mounts
The Leica APO-SL 75mm F2 ASPH has the Leica L lens mount whereas the Fujifilm GF 45mm F2.8 R WR has the Fujifilm G lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Fujifilm GFX Eterna 55, Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount.
Focal Range
Leica APO-SL 75mm F2 ASPH is a prime lens with fixed focal lenght of 75mm.
On the other hand, the Fujifilm GF 45mm F2.8 R WR is a prime lens with fixed focal lenght of 45mm.
