The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 28mm F2 Ultron and the Carl Zeiss C Biogon T2,8/35 ZM 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. Carl Zeiss C Biogon T2,8/35 ZM is the longer of the two lenses at 55mm. The Voigtlander 28mm F2 Ultron with a length of 51mm, is 4mm shorter. On the other hand, the Voigtlander 28mm F2 Ultron has a larger diameter of 55mm compared to the Carl Zeiss C Biogon T2,8/35 ZM'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. Carl Zeiss C Biogon T2,8/35 ZM weighs 200g, 18% (44g) lighter than the Voigtlander 28mm F2 Ultron's weight of 244g.
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 Voigtlander 28mm F2 Ultron and the Carl Zeiss C Biogon T2,8/35 ZM 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
Voigtlander 28mm F2 Ultron is a prime lens with fixed focal lenght of 28mm. Carl Zeiss C Biogon T2,8/35 ZM is a prime lens with fixed focal lenght of 35mm.