The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 20mm f2.8 E and the Zeiss Milvus 18mm F2.8 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. Zeiss Milvus 18mm F2.8 is the longer of the two lenses at 93mm. The Viltrox AF 20mm f2.8 E with a length of 60mm, is 33mm shorter. Besides being longer, the Zeiss Milvus 18mm F2.8 also has a larger diameter of 73mm compared to the Viltrox AF 20mm f2.8 E's 65mm 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 AF 20mm f2.8 E weighs 157g, which means it is 564g (78%) lighter than the Zeiss Milvus 18mm F2.8 which has a weight of 721g.
Filter Threads
The Viltrox AF 20mm f2.8 E has a filter size of 52mm whereas the Zeiss Milvus 18mm F2.8 has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Viltrox AF 20mm f2.8 E:
And these are the 77mm filters that we recommend for the Zeiss Milvus 18mm F2.8:
Lens Mounts
The Viltrox AF 20mm f2.8 E has the Sony E lens mount whereas the Zeiss Milvus 18mm F2.8 has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Zeiss Milvus 18mm F2.8 is also available in Canon EF mount.
Focal Range
Viltrox AF 20mm f2.8 E is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30mm.
On the other hand, the Zeiss Milvus 18mm F2.8 is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 27mm.
