The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 75mm F1.8 Heliar Classic and the Leica Macro-Elmar-M 90mm f4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Voigtlander 75mm F1.8 Heliar Classic is the longer of the two lenses at 74mm. The Leica Macro-Elmar-M 90mm f4 with a length of 41mm, is 33mm shorter. Besides being longer, the Voigtlander 75mm F1.8 Heliar Classic also has a larger diameter of 58mm compared to the Leica Macro-Elmar-M 90mm f4's 52mm diameter.
The 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 Macro-Elmar-M 90mm f4 weighs 240g, 43% (187g) lighter than the Voigtlander 75mm F1.8 Heliar Classic's weight of 427g.
Lens Mounts
Both the Voigtlander 75mm F1.8 Heliar Classic and the Leica Macro-Elmar-M 90mm f4 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
Voigtlander 75mm F1.8 Heliar Classic is a prime lens with fixed focal lenght of 75mm. Leica Macro-Elmar-M 90mm f4 is a prime lens with fixed focal lenght of 90mm.