The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 10mm f2.8 and the Rokinon 8mm f3.5 Fisheye for their suitability to various photography scenarios:
Size and Weight Comparison
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. Rokinon 8mm f3.5 Fisheye weighs 443g, 23% (137g) lighter than the Samyang 10mm f2.8's weight of 580g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Four Thirds Mount for size comparison purposes.
Ultra-Wideangle Lenses in Four Thirds Mount for Size Comparison
Lens Mounts
Both the Samyang 10mm f2.8 and the Rokinon 8mm f3.5 Fisheye has the same Four Thirds lens mount. Some of the latest released cameras that are compatible with the Four Thirds lenses are , and .
Samyang 10mm f2.8 is also available in the Canon EF , Canon EF-M, Fujifilm X, Nikon F (DX) and Micro Four Thirds mounts.
Rokinon 8mm f3.5 Fisheye is also available in Canon EF , Nikon F (FX), Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Samyang 10mm f2.8 is a prime lens with fixed focal lenght of 10mm which has an effective (full-frame 35mm equivalent) focal range of
15mm when used on a APS-C / DX format camera.
On the other hand, the Rokinon 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.
