The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica APO-Summicron-M 35mm F2 ASPH and the Voigtlander 25mm F4 Color Skopar 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 APO-Summicron-M 35mm F2 ASPH is the longer of the two lenses at 41mm. The Voigtlander 25mm F4 Color Skopar with a length of 30mm, is 11mm shorter. On the other hand, the Voigtlander 25mm F4 Color Skopar has a larger diameter of 55mm compared to the Leica APO-Summicron-M 35mm F2 ASPH's 53mm 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. Voigtlander 25mm F4 Color Skopar weighs 156g, 51% (164g) lighter than the Leica APO-Summicron-M 35mm F2 ASPH's weight of 320g.
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
Lens Mounts
Both the Leica APO-Summicron-M 35mm F2 ASPH and the Voigtlander 25mm F4 Color Skopar 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 APO-Summicron-M 35mm F2 ASPH is a prime lens with fixed focal lenght of 35mm. Voigtlander 25mm F4 Color Skopar is a prime lens with fixed focal lenght of 25mm.