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 Carl Zeiss Distagon T1,4/35 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 Distagon T1,4/35 ZM is the longer of the two lenses at 65mm. The Leica Summaron-M 28mm F5.6 with a length of 18mm, is 47mm shorter. Besides being longer, the Carl Zeiss Distagon T1,4/35 ZM also has a larger diameter of 63mm compared to the Leica Summaron-M 28mm F5.6's 51mm 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 Summaron-M 28mm F5.6 weighs 165g, which means it is 216g (56%) lighter than the Carl Zeiss Distagon T1,4/35 ZM which has a weight of 381g.
Lens Mounts
Both the Leica Summaron-M 28mm F5.6 and the Carl Zeiss Distagon T1,4/35 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
Leica Summaron-M 28mm F5.6 is a prime lens with fixed focal lenght of 28mm. Carl Zeiss Distagon T1,4/35 ZM is a prime lens with fixed focal lenght of 35mm.