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 Olympus ED 75mm f1.8 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 Olympus ED 75mm f1.8 with a length of 69mm, is 9mm shorter. Besides being longer, the Viltrox 90mm F2.2 Z also has a larger diameter of 69mm compared to the Olympus ED 75mm f1.8's 64mm 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. Olympus ED 75mm f1.8 weighs 305g, 4% (15g) lighter than the Viltrox 90mm F2.2 Z's weight of 320g.
Filter Threads
Both the Viltrox 90mm F2.2 Z and the Olympus ED 75mm f1.8 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 Olympus ED 75mm f1.8 has the Micro Four Thirds 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 OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds 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 Olympus ED 75mm f1.8 is a prime lens with fixed focal lenght of 75mm which has an effective (full-frame 35mm equivalent) focal range of 150mm when used on a FourThirds format camera.
