The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 85mm f1.4 and the Viltrox 75mm f1.2 AF 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 AF 85mm f1.4 is the longer of the two lenses at 109mm. The Viltrox 75mm f1.2 AF with a length of 101mm, is 8mm shorter. On the other hand, the Viltrox 75mm f1.2 AF has a larger diameter of 87mm compared to the Viltrox AF 85mm f1.4's 85mm 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. Viltrox 75mm f1.2 AF weighs 670g, 16% (130g) lighter than the Viltrox AF 85mm f1.4's weight of 800g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Viltrox AF 85mm f1.4 and the Viltrox 75mm f1.2 AF have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Viltrox AF 85mm f1.4 and the Viltrox 75mm f1.2 AF has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Viltrox AF 85mm f1.4 is also available in the Nikon Z mount.
Viltrox 75mm f1.2 AF is also available in Fujifilm X and Nikon Z mounts.
Focal Range
Viltrox AF 85mm f1.4 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.
On the other hand, the Viltrox 75mm f1.2 AF is a prime lens with fixed focal lenght of 75mm which has an effective (full-frame 35mm equivalent) focal range of 112.5mm when used on a APS-C / DX format camera.
