The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 12mm f2.0 and the Carl Zeiss Touit 2.8/12 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. Carl Zeiss Touit 2.8/12 is the longer of the two lenses at 86mm. The Samyang 12mm f2.0 with a length of 59mm, is 27mm shorter. Besides being longer, the Carl Zeiss Touit 2.8/12 also has a larger diameter of 82mm 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, which means it is 10g (3%) lighter than the Carl Zeiss Touit 2.8/12 which has a weight of 270g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Ultra-Wideangle Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
Both the Samyang 12mm f2.0 and the Carl Zeiss Touit 2.8/12 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 Samyang 12mm f2.0 and the Carl Zeiss Touit 2.8/12 has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2.
Samyang 12mm f2.0 is also available in Canon EF-M , Micro Four Thirds, Sony E and Samsung NX mounts.
Carl Zeiss Touit 2.8/12 is also available in Sony E mount.
Focal Range
Both lenses have the same focal range of
12mm but while Samyang 12mm f2.0 has the fastest aperture of
F2.0, the Carl Zeiss Touit 2.8/12's widest aperture value is
F2.8.