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 12mm f2.0 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 16-25mm F2.8 is the longer of the two lenses at 91mm. The Samyang 12mm f2.0 with a length of 59mm, is 32mm shorter. Besides being longer, the Sony FE 16-25mm F2.8 also has a larger diameter of 75mm compared to the Samyang 12mm f2.0's 73mm 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 12mm f2.0 weighs 260g, 36% (149g) lighter than the Sony FE 16-25mm F2.8's weight of 409g.
Filter Threads
Both the Sony FE 16-25mm F2.8 and the Samyang 12mm f2.0 have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sony FE 16-25mm F2.8 and the Samyang 12mm f2.0 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.
Samyang 12mm f2.0 is also available in Canon EF-M , Fujifilm X, Micro Four Thirds and Samsung NX mounts.
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 12mm f2.0 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 18mm when used on a APS-C / DX format camera.
