The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 300-600mm f4 and the Leica SL 100-400 f5-6.3 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 300-600mm f4 is the longer of the two lenses at 468mm. The Leica SL 100-400 f5-6.3 with a length of 198mm, is 270mm shorter. Besides being longer, the Sigma 300-600mm f4 also has a larger diameter of 167mm compared to the Leica SL 100-400 f5-6.3's 88mm diameter.
Below you can find a scaled side-by-side image of Sigma 300-600mm f4 and Leica SL 100-400 f5-6.3 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 300-600mm f4 and the Leica SL 100-400 f5-6.3 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 SL 100-400 f5-6.3 weighs 1530g, 61% (2455g) lighter than the Sigma 300-600mm f4's weight of 3985g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Leica L Mount for size comparison purposes.
Super Telephoto Leica L Mount
Filter Threads
The Sigma 300-600mm f4 has a filter size of 41mm whereas the Leica SL 100-400 f5-6.3 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 41mm filters that we recommend you to consider for the Sigma 300-600mm f4:
And these are the 82mm filters that we recommend for the Leica SL 100-400 f5-6.3:
Lens Mounts
Both the Sigma 300-600mm f4 and the Leica SL 100-400 f5-6.3 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
Sigma 300-600mm f4 has a focal range of 300-600mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
450 - 900mm .
On the other hand, the Leica SL 100-400 f5-6.3 has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150 - 600mm .
