The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 40mm F2 and the Leica SL 50mm F1.4 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. Leica SL 50mm F1.4 ASPH is the longer of the two lenses at 124mm. The Panasonic S 40mm F2 with a length of 41mm, is 83mm shorter. Besides being longer, the Leica SL 50mm F1.4 ASPH also has a larger diameter of 88mm compared to the Panasonic S 40mm F2's 69mm diameter.
Below you can find a scaled side-by-side image of Panasonic S 40mm F2 and Leica SL 50mm F1.4 ASPH to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic S 40mm F2 and the Leica SL 50mm F1.4 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. Panasonic S 40mm F2 weighs 144g, which means it is 921g (86%) lighter than the Leica SL 50mm F1.4 ASPH which has a weight of 1065g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Leica L Mount for size comparison purposes.
Standard Leica L Mount
Filter Threads
The Panasonic S 40mm F2 has a filter size of 62mm whereas the Leica SL 50mm F1.4 ASPH 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 62mm filters that we recommend you to consider for the Panasonic S 40mm F2:
And these are the 82mm filters that we recommend for the Leica SL 50mm F1.4 ASPH:
Lens Mounts
Both the Panasonic S 40mm F2 and the Leica SL 50mm F1.4 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 .
Focal Range
Panasonic S 40mm F2 is a prime lens with fixed focal lenght of 40mm.
On the other hand, the Leica SL 50mm F1.4 ASPH is a prime lens with fixed focal lenght of 50mm.
