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 Canon RF 28-70mm F2L USM 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. Canon RF 28-70mm F2L USM is the longer of the two lenses at 140mm. The Leica APO-SL 28mm F2 ASPH with a length of 102mm, is 38mm shorter. Besides being longer, the Canon RF 28-70mm F2L USM also has a larger diameter of 104mm compared to the Leica APO-SL 28mm F2 ASPH's 73mm diameter.
Below you can find a scaled side-by-side image of Leica APO-SL 28mm F2 ASPH and Canon RF 28-70mm F2L USM to get a better idea of how their sizes compare in real life.
Comparison image of the Leica APO-SL 28mm F2 ASPH and the Canon RF 28-70mm F2L USM 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 28mm F2 ASPH weighs 700g, which means it is 730g (51%) lighter than the Canon RF 28-70mm F2L USM which has a weight of 1430g.
Filter Threads
The Leica APO-SL 28mm F2 ASPH has a filter size of 67mm whereas the Canon RF 28-70mm F2L USM has a 95mm 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 28mm F2 ASPH:
And these are the 95mm filters that we recommend for the Canon RF 28-70mm F2L USM:
Lens Mounts
The Leica APO-SL 28mm F2 ASPH has the Leica L lens mount whereas the Canon RF 28-70mm F2L USM has the Canon RF 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 Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount.
Focal Range
Leica APO-SL 28mm F2 ASPH is a prime lens with fixed focal lenght of 28mm.
On the other hand, the Canon RF 28-70mm F2L USM has a focal range of 28-70mm and 2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 44.8 - 112mm .
