The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 135mm f1.8 L and the Sigma 105mm F2.8 DG DN Macro 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. 7Artisans 135mm f1.8 L is the longer of the two lenses at 136mm. The Sigma 105mm F2.8 DG DN Macro with a length of 134mm, is 2mm shorter. Besides being longer, the 7Artisans 135mm f1.8 L also has a larger diameter of 91mm compared to the Sigma 105mm F2.8 DG DN Macro's 74mm 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. Sigma 105mm F2.8 DG DN Macro weighs 715g, 29% (299g) lighter than the 7Artisans 135mm f1.8 L's weight of 1014g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Leica L Mount for size comparison purposes.
Telephoto Lenses in Leica L Mount for Size Comparison
Filter Threads
The 7Artisans 135mm f1.8 L has a filter size of 82mm whereas the Sigma 105mm F2.8 DG DN Macro 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 82mm filters that we recommend you to consider for the 7Artisans 135mm f1.8 L:
And these are the 62mm filters that we recommend for the Sigma 105mm F2.8 DG DN Macro:
Lens Mounts
Both the 7Artisans 135mm f1.8 L and the Sigma 105mm F2.8 DG DN Macro 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 Sony E mount.
Focal Range
7Artisans 135mm f1.8 L is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
202.5mm.
On the other hand, the 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.
