The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 16mm f1.8 FE and the Samyang AF 14mm 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. Viltrox AF 16mm f1.8 FE is the longer of the two lenses at 103mm. The Samyang AF 14mm F2.8 with a length of 98mm, is 5mm shorter. On the other hand, the Samyang AF 14mm F2.8 has a larger diameter of 86mm compared to the Viltrox AF 16mm f1.8 FE'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. Samyang AF 14mm F2.8 weighs 505g, 8% (45g) lighter than the Viltrox AF 16mm f1.8 FE's weight of 550g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both the Viltrox AF 16mm f1.8 FE and the Samyang AF 14mm F2.8 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.
Focal Range
Viltrox AF 16mm f1.8 FE is a prime lens with fixed focal lenght of 16mm.
On the other hand, the Samyang AF 14mm F2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21mm.