The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica APO-SL 28mm F2 ASPH and the Leica APO-SL 75mm F2 ASPH 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. Leica APO-SL 28mm F2 ASPH weighs 700g, which means it is 20g (2%) lighter than the Leica APO-SL 75mm F2 ASPH which has a weight of 720g.
Filter Threads
Both the Leica APO-SL 28mm F2 ASPH and the Leica APO-SL 75mm F2 ASPH have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Leica APO-SL 28mm F2 ASPH and the Leica APO-SL 75mm F2 ASPH has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Focal Range
Leica APO-SL 28mm F2 ASPH is a prime lens with fixed focal lenght of 28mm.
On the other hand, the Leica APO-SL 75mm F2 ASPH is a prime lens with fixed focal lenght of 75mm.