The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 12mm f1.4 and the Samyang AF 12mm f2 X 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. Sigma 12mm f1.4 is the longer of the two lenses at 70mm. The Samyang AF 12mm f2 X with a length of 65mm, is 5mm shorter. On the other hand, the Samyang AF 12mm f2 X has a larger diameter of 70mm compared to the Sigma 12mm f1.4's 68mm 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 AF 12mm f2 X weighs 212g, 9% (23g) lighter than the Sigma 12mm f1.4's weight of 235g.
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 Sigma 12mm f1.4 and the Samyang AF 12mm f2 X have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 12mm f1.4 and the Samyang AF 12mm f2 X has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5.
Sigma 12mm f1.4 is also available in the Sony E and Canon RF mounts.
Focal Range
Both lenses have the same focal range of
12mm but while Sigma 12mm f1.4 has the fastest aperture of
F1.4, the Samyang AF 12mm f2 X's widest aperture value is
F2.0.
