The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summarit-M 35mm F2.4 ASPH and the Leica Noctilux-M 50mm f0.95 ASPH for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Leica Noctilux-M 50mm f0.95 ASPH is the longer of the two lenses at 75mm. The Leica Summarit-M 35mm F2.4 ASPH with a length of 34mm, is 41mm shorter. Besides being longer, the Leica Noctilux-M 50mm f0.95 ASPH also has a larger diameter of 73mm compared to the Leica Summarit-M 35mm F2.4 ASPH's 52mm diameter.
The 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 Summarit-M 35mm F2.4 ASPH weighs 197g, which means it is 503g (71%) lighter than the Leica Noctilux-M 50mm f0.95 ASPH which has a weight of 700g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Leica M Mount for size comparison purposes.
Standard Prime Lenses in Leica M Mount for Size Comparison
Lens Mounts
Both the Leica Summarit-M 35mm F2.4 ASPH and the Leica Noctilux-M 50mm f0.95 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.
Focal Range
Leica Summarit-M 35mm F2.4 ASPH is a prime lens with fixed focal lenght of 35mm. Leica Noctilux-M 50mm f0.95 ASPH is a prime lens with fixed focal lenght of 50mm.