The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Tri-Elmar-M 16-18-21mm f4 ASPH and the Leica Summilux-M 21mm f1.4 Asph for their suitability to various photography scenarios:
Size and Weight Comparison
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. Leica Tri-Elmar-M 16-18-21mm f4 ASPH weighs 335g, which means it is 245g (42%) lighter than the Leica Summilux-M 21mm f1.4 Asph which has a weight of 580g.
Lens Mounts
Both the Leica Tri-Elmar-M 16-18-21mm f4 ASPH and the Leica Summilux-M 21mm f1.4 Asph 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 Tri-Elmar-M 16-18-21mm f4 ASPH has a focal range of 16-21mm and
1.3X zoom ratio .
On the other hand, the Leica Summilux-M 21mm f1.4 Asph is a prime lens with fixed focal lenght of 21mm.
