The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summilux-M 21mm f1.4 Asph and the Carl Zeiss Distagon T2,8/15 ZM 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. Carl Zeiss Distagon T2,8/15 ZM is the longer of the two lenses at 92mm. The Leica Summilux-M 21mm f1.4 Asph with a length of 66mm, is 26mm shorter. Besides being longer, the Carl Zeiss Distagon T2,8/15 ZM also has a larger diameter of 78mm compared to the Leica Summilux-M 21mm f1.4 Asph's 70mm diameter.
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. Carl Zeiss Distagon T2,8/15 ZM weighs 550g, 5% (30g) lighter than the Leica Summilux-M 21mm f1.4 Asph's weight of 580g.
Lens Mounts
Both the Leica Summilux-M 21mm f1.4 Asph and the Carl Zeiss Distagon T2,8/15 ZM has the same Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M EV1, Leica M11-D and Pixii Max.
Focal Range
Leica Summilux-M 21mm f1.4 Asph is a prime lens with fixed focal lenght of 21mm.
On the other hand, the Carl Zeiss Distagon T2,8/15 ZM is a prime lens with fixed focal lenght of 15mm.
