The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 50mm F1.4 and the Zeiss Otus 50mm f1.4 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 50mm F1.4 is the longer of the two lenses at 111mm. The Zeiss Otus 50mm f1.4 with a length of 100mm, is 11mm shorter. Besides being longer, the Viltrox AF 50mm F1.4 also has a larger diameter of 85mm compared to the Zeiss Otus 50mm f1.4's 77mm 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. Zeiss Otus 50mm f1.4 weighs 677g, 15% (123g) lighter than the Viltrox AF 50mm F1.4's weight of 800g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The Viltrox AF 50mm F1.4 has a filter size of 77mm whereas the Zeiss Otus 50mm f1.4 has a 67mm 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 50mm F1.4:
And these are the 67mm filters that we recommend for the Zeiss Otus 50mm f1.4:
Lens Mounts
Both the Viltrox AF 50mm F1.4 and the Zeiss Otus 50mm f1.4 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.
Zeiss Otus 50mm f1.4 is also available in Canon RF and Nikon Z mounts.
Focal Range
Both lenses have the same focal range of
50mm and the fastest aperture of
F1.4.
