The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 14mm F4.0 and the Sony FE 16mm F1.8 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. Sony FE 16mm F1.8 is the longer of the two lenses at 75mm. The Viltrox 14mm F4.0 with a length of 56mm, is 19mm shorter. Besides being longer, the Sony FE 16mm F1.8 also has a larger diameter of 74mm compared to the Viltrox 14mm F4.0'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 14mm F4.0 weighs 170g, which means it is 134g (44%) lighter than the Sony FE 16mm F1.8 which has a weight of 304g.
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 14mm F4.0 and the Sony FE 16mm F1.8 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 14mm F4.0 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.
On the other hand, the Sony FE 16mm F1.8 is a prime lens with fixed focal lenght of 16mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 24mm.