The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 105mm F2.8 DG DN Macro and the Leica APO-SL 90mm F2 ASPH 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. Sigma 105mm F2.8 DG DN Macro is the longer of the two lenses at 134mm. The Leica APO-SL 90mm F2 ASPH with a length of 102mm, is 32mm shorter. Besides being longer, the Sigma 105mm F2.8 DG DN Macro also has a larger diameter of 74mm compared to the Leica APO-SL 90mm F2 ASPH's 73mm diameter.
Below you can find a scaled side-by-side image of Sigma 105mm F2.8 DG DN Macro and Leica APO-SL 90mm F2 ASPH to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 105mm F2.8 DG DN Macro and the Leica APO-SL 90mm 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 90mm F2 ASPH weighs 700g, 2% (15g) lighter than the Sigma 105mm F2.8 DG DN Macro's weight of 715g.
Below you can find the dimension and weight table of the Telephoto Macro Lenses in Leica L Mount for size comparison purposes.
Telephoto Lenses in Leica L Mount for Size Comparison
Filter Threads
The Sigma 105mm F2.8 DG DN Macro has a filter size of 62mm whereas the Leica APO-SL 90mm F2 ASPH has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Sigma 105mm F2.8 DG DN Macro:
And these are the 67mm filters that we recommend for the Leica APO-SL 90mm F2 ASPH:
Lens Mounts
Both the Sigma 105mm F2.8 DG DN Macro and the Leica APO-SL 90mm 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 .
Sigma 105mm F2.8 DG DN Macro is also available in the Sony E mount.
Focal Range
Sigma 105mm F2.8 DG DN Macro is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
157.5mm .
On the other hand, the Leica APO-SL 90mm F2 ASPH is a prime lens with fixed focal lenght of 90mm.