The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summilux-M 35mm f1.4 ASPH and the Carl Zeiss Biogon T2,8/25 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 Biogon T2,8/25 ZM is the longer of the two lenses at 71mm. The Leica Summilux-M 35mm f1.4 ASPH with a length of 46mm, is 25mm shorter. On the other hand, the Leica Summilux-M 35mm f1.4 ASPH has a larger diameter of 56mm compared to the Carl Zeiss Biogon T2,8/25 ZM's 53mm 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 Biogon T2,8/25 ZM weighs 260g, 18% (60g) lighter than the Leica Summilux-M 35mm f1.4 ASPH's weight of 320g.
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 Leica Summilux-M 35mm f1.4 ASPH and the Carl Zeiss Biogon T2,8/25 ZM have the same Filter thread size of 46mm.
Below are links to the 46mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Leica Summilux-M 35mm f1.4 ASPH and the Carl Zeiss Biogon T2,8/25 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 35mm f1.4 ASPH is a prime lens with fixed focal lenght of 35mm.
On the other hand, the Carl Zeiss Biogon T2,8/25 ZM is a prime lens with fixed focal lenght of 25mm.
