The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summaron-M 28mm F5.6 and the Leica Elmar-M 24mm f3.8 ASPH for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Leica Elmar-M 24mm f3.8 ASPH is the longer of the two lenses at 53mm. The Leica Summaron-M 28mm F5.6 with a length of 18mm is 35mm shorter. On the other hand, the Leica Summaron-M 28mm F5.6 has a larger diameter of 51mm compared to Leica Elmar-M 24mm f3.8 ASPH's 41mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Leica Summaron-M 28mm F5.6 weighs 165g, which means it is 95g (36%) lighter than the Leica Elmar-M 24mm f3.8 ASPH which has a weight of 260g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Leica M Mount for size comparison purposes.
Wideangle Prime Lenses in Leica M Mount for Size Comparison
Both Leica Summaron-M 28mm F5.6 and Leica Elmar-M 24mm f3.8 ASPH has the same Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M11, Leica M10 and Leica M Typ 262.
Leica Summaron-M 28mm F5.6 is a prime lens with fixed focal lenght of 28mm. Leica Elmar-M 24mm f3.8 ASPH is a prime lens with fixed focal lenght of 24mm.