The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 90mm F2.2 Z and the Viltrox 85mm F2.0 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. Viltrox 90mm F2.2 Z is the longer of the two lenses at 78mm. The Viltrox 85mm F2.0 with a length of 76mm, is 2mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 69mm.
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. Viltrox 90mm F2.2 Z weighs 320g, which means it is 20g (5%) lighter than the Viltrox 85mm F2.0 which has a weight of 340g.
Filter Threads
Both the Viltrox 90mm F2.2 Z and the Viltrox 85mm F2.0 have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Viltrox 90mm F2.2 Z has the Nikon Z lens mount whereas the Viltrox 85mm F2.0 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30 for the Nikon Z Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Viltrox 85mm F2.0 is also available in Nikon Z mount.
Focal Range
Viltrox 90mm F2.2 Z is a prime lens with fixed focal lenght of 90mm which has an effective (full-frame 35mm equivalent) focal range of
135mm when used on a APS-C / DX format camera.
On the other hand, the Viltrox 85mm F2.0 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
