The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 21mm F4 Color Skopar II and the Voigtlander 25mm F4 Color Skopar 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. Voigtlander 25mm F4 Color Skopar is the longer of the two lenses at 30mm. The Voigtlander 21mm F4 Color Skopar II with a length of 25mm, is 5mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 55mm.
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. Voigtlander 21mm F4 Color Skopar II weighs 136g, which means it is 20g (12%) lighter than the Voigtlander 25mm F4 Color Skopar which has a weight of 156g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Leica M Mount for size comparison purposes.
Wideangle Lenses in Leica M Mount for Size Comparison
Filter Threads
Both the Voigtlander 21mm F4 Color Skopar II and the Voigtlander 25mm F4 Color Skopar have the same Filter thread size of 39mm.
Below are links to the 39mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Voigtlander 21mm F4 Color Skopar II 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 Monochrome, Leica M11 and Leica M10.
Focal Range
Voigtlander 21mm F4 Color Skopar II is a prime lens with fixed focal lenght of 21mm.
On the other hand, the Voigtlander 25mm F4 Color Skopar is a prime lens with fixed focal lenght of 25mm.