The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summarit-M 75mm F2.4 ASPH and the Leica Summarit-M 75mm f2.5 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 Summarit-M 75mm F2.4 ASPH weighs 325g, which means it is 20g (5%) lighter than the Leica Summarit-M 75mm f2.5 which has a weight of 345g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Leica M Mount for size comparison purposes.
Telephoto Lenses in Leica M Mount for Size Comparison
Filter Threads
Both the Leica Summarit-M 75mm F2.4 ASPH and the Leica Summarit-M 75mm f2.5 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 Summarit-M 75mm F2.4 ASPH and the Leica Summarit-M 75mm f2.5 has the same Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M11 Monochrome, Leica M11 and Leica M10.
Focal Range
Both lenses have the same focal range of
75mm but while Leica Summarit-M 75mm F2.4 ASPH has the fastest aperture of
F2.4, the Leica Summarit-M 75mm f2.5's widest aperture value is
F2.5.