The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Batis 18mm F2.8 and the Samyang 16mm 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 16mm f2.0 is the longer of the two lenses at 89mm. The Zeiss Batis 18mm F2.8 with a length of 80mm, is 9mm shorter. Besides being longer, the Samyang 16mm f2.0 also has a larger diameter of 83mm compared to the Zeiss Batis 18mm F2.8'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. Zeiss Batis 18mm F2.8 weighs 330g, which means it is 253g (43%) lighter than the Samyang 16mm f2.0 which has a weight of 583g.
Filter Threads
Both the Zeiss Batis 18mm F2.8 and the Samyang 16mm f2.0 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
Both the Zeiss Batis 18mm F2.8 and the Samyang 16mm 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 A9 III, Sony A7C Mark II and Sony A7CR.
Samyang 16mm f2.0 is also available in Canon EF , Canon EF-M, Fujifilm X, Nikon F (DX), Four Thirds, Micro Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Zeiss Batis 18mm F2.8 is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
27mm.
On the other hand, the Samyang 16mm f2.0 is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of 24mm when used on a APS-C / DX format camera.