The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 100-500mm f5-7.1 and the Sigma 100-400mm F5-6.3 OS 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 100-400mm F5-6.3 OS is the longer of the two lenses at 197mm. The Panasonic 100-500mm f5-7.1 with a length of 196mm, is 1mm shorter. On the other hand, the Panasonic 100-500mm f5-7.1 has a larger diameter of 92mm compared to the Sigma 100-400mm F5-6.3 OS's 86mm diameter.
Below you can find a scaled side-by-side image of Panasonic 100-500mm f5-7.1 and Sigma 100-400mm F5-6.3 OS to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic 100-500mm f5-7.1 and the Sigma 100-400mm F5-6.3 OS 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. Sigma 100-400mm F5-6.3 OS weighs 1135g, 11% (150g) lighter than the Panasonic 100-500mm f5-7.1's weight of 1285g.
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 Panasonic 100-500mm f5-7.1 has a filter size of 82mm whereas the Sigma 100-400mm F5-6.3 OS 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 82mm filters that we recommend you to consider for the Panasonic 100-500mm f5-7.1:
And these are the 67mm filters that we recommend for the Sigma 100-400mm F5-6.3 OS:
Lens Mounts
Both the Panasonic 100-500mm f5-7.1 and the Sigma 100-400mm F5-6.3 OS 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 .
Sony E and Fujifilm X mounts.
Focal Range
Panasonic 100-500mm f5-7.1 has a focal range of 100-500mm and
5.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150 - 750mm .
On the other hand, the Sigma 100-400mm F5-6.3 OS has a focal range of 100-400mm and 4.0X zoom ratio .
