The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 16-25mm F2.8 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. Samyang AF 14mm F2.8 is the longer of the two lenses at 98mm. The Sony FE 16-25mm F2.8 with a length of 91mm, is 7mm shorter. Besides being longer, the Samyang AF 14mm F2.8 also has a larger diameter of 86mm compared to the Sony FE 16-25mm F2.8's 75mm 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. Sony FE 16-25mm F2.8 weighs 409g, which means it is 96g (19%) lighter than the Samyang AF 14mm F2.8 which has a weight of 505g.
Lens Mounts
Both the Sony FE 16-25mm F2.8 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
Sony FE 16-25mm F2.8 has a focal range of 16-25mm and
1.6X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 37.5mm.
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.