The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 50mm F1.8 and the Panasonic Leica 42.5mm F1.2 OIS 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. Panasonic S 50mm F1.8 is the longer of the two lenses at 82mm. The Panasonic Leica 42.5mm F1.2 OIS with a length of 77mm, is 5mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 74mm.
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 50mm F1.8 weighs 300g, which means it is 125g (29%) lighter than the Panasonic Leica 42.5mm F1.2 OIS which has a weight of 425g.
Filter Threads
Both the Panasonic S 50mm F1.8 and the Panasonic Leica 42.5mm F1.2 OIS have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Panasonic S 50mm F1.8 has the Leica L lens mount whereas the Panasonic Leica 42.5mm F1.2 OIS has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Panasonic S 50mm F1.8 is a prime lens with fixed focal lenght of 50mm.
On the other hand, the Panasonic Leica 42.5mm F1.2 OIS is a prime lens with fixed focal lenght of 43mm which has an effective (full-frame 35mm equivalent) focal range of 86mm when used on a FourThirds format camera.
