The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 14mm 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. Samyang AF 14mm F2.8 is the longer of the two lenses at 98mm. The Samyang 12mm f2.0 with a length of 59mm, is 39mm shorter. Besides being longer, the Samyang AF 14mm F2.8 also has a larger diameter of 86mm 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, 48% (245g) lighter than the Samyang AF 14mm F2.8's weight of 505g.
Lens Mounts
The Samyang AF 14mm F2.8 has the Sony E lens mount whereas the Samyang 12mm f2.0 has the Micro Four Thirds 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 , and for the Micro Four Thirds Mount.
Samyang 12mm f2.0 is also available in Canon EF-M , Fujifilm X, Sony E and Samsung NX mounts.
Focal Range
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.
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.
