The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 100-400mm F5-6.3 OS and the Panasonic S 70-200mm F4 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 S 70-200mm F4 with a length of 179mm, is 18mm shorter. Besides being longer, the Sigma 100-400mm F5-6.3 OS also has a larger diameter of 86mm compared to the Panasonic S 70-200mm F4's 84mm diameter.
Below you can find a scaled side-by-side image of Sigma 100-400mm F5-6.3 OS and Panasonic S 70-200mm F4 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 100-400mm F5-6.3 OS and the Panasonic S 70-200mm F4 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. Panasonic S 70-200mm F4 weighs 985g, 13% (150g) lighter than the Sigma 100-400mm F5-6.3 OS's weight of 1135g.
Filter Threads
The Sigma 100-400mm F5-6.3 OS has a filter size of 67mm whereas the Panasonic S 70-200mm F4 has a 77mm 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 Sigma 100-400mm F5-6.3 OS:
And these are the 77mm filters that we recommend for the Panasonic S 70-200mm F4:
Lens Mounts
Both the Sigma 100-400mm F5-6.3 OS and the Panasonic S 70-200mm F4 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
Sigma 100-400mm F5-6.3 OS has a focal range of 100-400mm and
4.0X zoom ratio .
On the other hand, the Panasonic S 70-200mm F4 has a focal range of 70-200mm and 2.9X zoom ratio .
