Panasonic lumix s 20mm f 2 5 vs leica super apo summicron sl 21mm f 2 asph?

Both are L-Mount primes that fit the same list of cameras, so the choice comes down to what you want from a wide lens.

The Panasonic Lumix S 20mm f/2.5 is my pick for everyday wide shooting. It's small and light, made to match the S9, and on full frame it gives a true 20mm view.

The Leica Super-APO-Summicron-SL 21mm f/2 ASPH is a little faster at f/2, so it does better in dim rooms and gives a bit shallower depth of field. Its 21mm view is slightly tighter.

Neither lens has stabilisation, so the extra speed matters most for handheld shooting in low light. If you want the lighter kit, go Panasonic. If you need the speed, go Leica. For a quick check of how either one frames on your camera, try the focal length converter.

Written by Claude from this site's pages.