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 Rokinon 24mm f1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
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 16mm f1.8 FE weighs 550g, which means it is 30g (5%) lighter than the Rokinon 24mm f1.4 which has a weight of 580g.
Filter Threads
Both the Viltrox AF 16mm f1.8 FE and the Rokinon 24mm f1.4 have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Viltrox AF 16mm f1.8 FE has the Sony E lens mount whereas the Rokinon 24mm f1.4 has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Rokinon 24mm f1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF and Samsung NX mounts.
Focal Range
Viltrox AF 16mm f1.8 FE is a prime lens with fixed focal lenght of 16mm.
On the other hand, the Rokinon 24mm f1.4 is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.