The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 85mm F2.0 and the Sony FE 70-300mm F4.5-5.6 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. Sony FE 70-300mm F4.5-5.6 is the longer of the two lenses at 144mm. The Viltrox 85mm F2.0 with a length of 76mm, is 68mm shorter. Besides being longer, the Sony FE 70-300mm F4.5-5.6 also has a larger diameter of 84mm compared to the Viltrox 85mm F2.0's 69mm 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 85mm F2.0 weighs 340g, which means it is 514g (60%) lighter than the Sony FE 70-300mm F4.5-5.6 which has a weight of 854g.
Filter Threads
The Viltrox 85mm F2.0 has a filter size of 58mm whereas the Sony FE 70-300mm F4.5-5.6 has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Viltrox 85mm F2.0:
And these are the 72mm filters that we recommend for the Sony FE 70-300mm F4.5-5.6:
Lens Mounts
Both the Viltrox 85mm F2.0 and the Sony FE 70-300mm F4.5-5.6 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 85mm F2.0 is also available in the Nikon Z mount.
Focal Range
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.
On the other hand, the Sony FE 70-300mm F4.5-5.6 has a focal range of 70-300mm and 4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 450mm.
