The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica SL 21mm F2 ASPH and the Leica APO-SL 50mm F2 ASPH for their suitability to various photography scenarios:
Size and Weight Comparison Below you can find a scaled side-by-side image of Leica SL 21mm F2 ASPH and Leica APO-SL 50mm F2 ASPH to get a better idea of how their sizes compare in real life.
Comparison image of the Leica SL 21mm F2 ASPH and the Leica APO-SL 50mm F2 ASPH Size and Weight 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 50mm F2 ASPH weighs 740g, 6% (49g) lighter than the Leica SL 21mm F2 ASPH's weight of 789g.
Filter Threads
Both the Leica SL 21mm F2 ASPH and the Leica APO-SL 50mm 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 SL 21mm F2 ASPH and the Leica APO-SL 50mm 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 SL 21mm F2 ASPH is a prime lens with fixed focal lenght of 21mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
31.5mm .
On the other hand, the Leica APO-SL 50mm F2 ASPH is a prime lens with fixed focal lenght of 50mm.
