The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 8mm F3.5 Fisheye and the Rokinon 14mm f2.8 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. Rokinon 14mm f2.8 is the longer of the two lenses at 96mm. The Samyang 8mm F3.5 Fisheye with a length of 77mm, is 19mm shorter. Besides being longer, the Rokinon 14mm f2.8 also has a larger diameter of 87mm compared to the Samyang 8mm F3.5 Fisheye's 75mm 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 8mm F3.5 Fisheye weighs 443g, which means it is 109g (19%) lighter than the Rokinon 14mm f2.8 which has a weight of 552g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Samsung NX Mount for size comparison purposes.
Ultra-Wideangle Lenses in Samsung NX Mount for Size Comparison
Lens Mounts
Both the Samyang 8mm F3.5 Fisheye and the Rokinon 14mm f2.8 has the same Samsung NX lens mount. Some of the latest released cameras that are compatible with the Samsung NX lenses are Samsung NX1, Samsung NX3000 and Samsung NX30.
Samyang 8mm F3.5 Fisheye is also available in the Canon EF , Nikon F (DX), Four Thirds, Pentax KAF and Sony Alpha mounts.
Rokinon 14mm f2.8 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF and Sony Alpha mounts.
Focal Range
Samyang 8mm F3.5 Fisheye is a prime lens with fixed focal lenght of 8mm which has an effective (full-frame 35mm equivalent) focal range of
12mm when used on a APS-C / DX format camera.
On the other hand, the Rokinon 14mm f2.8 is a prime lens with fixed focal lenght of 14mm.
