The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 16-35mm F4 ZA OSS and the Rokinon 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. Sony FE 16-35mm F4 ZA OSS is the longer of the two lenses at 99mm. The Rokinon 14mm f2.8 with a length of 96mm, is 3mm shorter. On the other hand, the Rokinon 14mm f2.8 has a larger diameter of 87mm compared to the Sony FE 16-35mm F4 ZA OSS's 78mm 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 16-35mm F4 ZA OSS weighs 518g, which means it is 34g (6%) lighter than the Rokinon 14mm f2.8 which has a weight of 552g.
Lens Mounts
The Sony FE 16-35mm F4 ZA OSS has the Sony E lens mount whereas the Rokinon 14mm f2.8 has the Pentax KAF 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 Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Rokinon 14mm f2.8 is also available in Canon EF , Nikon F (FX), Four Thirds, Sony Alpha and Samsung NX mounts.
Focal Range
Sony FE 16-35mm F4 ZA OSS has a focal range of 16-35mm and
2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 52.5mm.
On the other hand, the Rokinon 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.
