The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summarit-M 90mm F2.4 ASPH and the Leica Summarit-M 75mm F2.4 ASPH for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Leica Summarit-M 90mm F2.4 ASPH is the longer of the two lenses at 67mm. The Leica Summarit-M 75mm F2.4 ASPH with a length of 61mm is 6mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 55mm.
Below you can find the scaled side by side image of Leica Summarit-M 90mm F2.4 ASPH and Leica Summarit-M 75mm F2.4 ASPH to get a better idea of how their size compare in real life.
Comparison image of Leica Summarit-M 90mm F2.4 ASPH and Leica Summarit-M 75mm F2.4 ASPH Size and Weight 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 Summarit-M 75mm F2.4 ASPH weighs 325g, 9% (35g) lighter than the Leica Summarit-M 90mm F2.4 ASPH's weight of 360g.
Below you can find the dimension and weight table of the 'Telephoto Prime Lenses in Leica M Mount for size comparison purposes.
Telephoto Prime Lenses in Leica M Mount for Size Comparison
Lens Mounts
Both Leica Summarit-M 90mm F2.4 ASPH and Leica Summarit-M 75mm F2.4 ASPH has the same Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M11, Leica M10 and Leica M Typ 262.
Focal Range
Leica Summarit-M 90mm F2.4 ASPH is a prime lens with fixed focal lenght of 90mm. Leica Summarit-M 75mm F2.4 ASPH is a prime lens with fixed focal lenght of 75mm.