The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Hasselblad XCD 90mm F3.2 and the Carl Zeiss Sonnar T2/85 ZM 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. Carl Zeiss Sonnar T2/85 ZM weighs 500g, 19% (119g) lighter than the Hasselblad XCD 90mm F3.2's weight of 619g.
Filter Threads
The Hasselblad XCD 90mm F3.2 has a filter size of 67mm whereas the Carl Zeiss Sonnar T2/85 ZM has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Hasselblad XCD 90mm F3.2:
And these are the 58mm filters that we recommend for the Carl Zeiss Sonnar T2/85 ZM:
Lens Mounts
The Hasselblad XCD 90mm F3.2 has the Hasselblad X lens mount whereas the Carl Zeiss Sonnar T2/85 ZM has the Leica M lens mount. Some of the latest released cameras that are compatible with these mounts are Hasselblad X2D II, Hasselblad X2D and Hasselblad X1D II for the Hasselblad X Mount and Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount.
Focal Range
Hasselblad XCD 90mm F3.2 is a prime lens with fixed focal lenght of 90mm.
On the other hand, the Carl Zeiss Sonnar T2/85 ZM is a prime lens with fixed focal lenght of 85mm.