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 Carl Zeiss Sonnar T2/85 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 Sonnar T2/85 ZM is the longer of the two lenses at 100mm. The Voigtlander 75mm F1.8 Heliar Classic with a length of 74mm, is 26mm shorter. Besides being longer, the Carl Zeiss Sonnar T2/85 ZM also has a larger diameter of 70mm compared to the Voigtlander 75mm F1.8 Heliar Classic's 58mm 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. Voigtlander 75mm F1.8 Heliar Classic weighs 427g, which means it is 73g (14%) lighter than the Carl Zeiss Sonnar T2/85 ZM which has a weight of 500g.
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
Lens Mounts
Both the Voigtlander 75mm F1.8 Heliar Classic and the Carl Zeiss Sonnar T2/85 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
Voigtlander 75mm F1.8 Heliar Classic is a prime lens with fixed focal lenght of 75mm.
On the other hand, the Carl Zeiss Sonnar T2/85 ZM is a prime lens with fixed focal lenght of 85mm.
