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 Fujinon MK 50-135mm T2.9 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. Fujinon MK 50-135mm T2.9 is the longer of the two lenses at 206mm. The Viltrox AF 85mm f1.4 with a length of 109mm, is 97mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 85mm.
Below you can find a scaled side-by-side image of Viltrox AF 85mm f1.4 and Fujinon MK 50-135mm T2.9 to get a better idea of how their sizes compare in real life.
Comparison image of the Viltrox AF 85mm f1.4 and the Fujinon MK 50-135mm T2.9 Size and Weight 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 AF 85mm f1.4 weighs 800g, which means it is 180g (18%) lighter than the Fujinon MK 50-135mm T2.9 which has a weight of 980g.
Filter Threads
The Viltrox AF 85mm f1.4 has a filter size of 77mm whereas the Fujinon MK 50-135mm T2.9 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Viltrox AF 85mm f1.4:
And these are the 82mm filters that we recommend for the Fujinon MK 50-135mm T2.9:
Lens Mounts
Both the Viltrox AF 85mm f1.4 and the Fujinon MK 50-135mm T2.9 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.
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 Fujinon MK 50-135mm T2.9 has a focal range of 50-135mm and 2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75 - 202.5mm .