The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 14mm F2.8 Mk2 and the Sigma 8mm F3.5 EX DG Fisheye 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 MF 14mm F2.8 Mk2 is the longer of the two lenses at 96mm. The Sigma 8mm F3.5 EX DG Fisheye with a length of 69mm, is 27mm shorter. Besides being longer, the Samyang MF 14mm F2.8 Mk2 also has a larger diameter of 87mm compared to the Sigma 8mm F3.5 EX DG Fisheye's 74mm 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. Sigma 8mm F3.5 EX DG Fisheye weighs 400g, 38% (249g) lighter than the Samyang MF 14mm F2.8 Mk2's weight of 649g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Ultra-Wideangle Lenses in Nikon F (FX) Mount for Size Comparison
Lens Mounts
Both the Samyang MF 14mm F2.8 Mk2 and the Sigma 8mm F3.5 EX DG Fisheye has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Samyang MF 14mm F2.8 Mk2 is also available in the Canon EF , Canon EF-M, Fujifilm X, Micro Four Thirds and Sony E mounts.
Sigma 8mm F3.5 EX DG Fisheye is also available in Canon EF and Sigma SA mounts.
Focal Range
Samyang MF 14mm F2.8 Mk2 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 Sigma 8mm F3.5 EX DG Fisheye is a prime lens with fixed focal lenght of 8mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 12mm.
