The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 8mm F2.8 Fisheye and the Samsung 10mm 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. Samsung 10mm F3.5 Fisheye weighs 71g, 73% (194g) lighter than the Samyang 8mm F2.8 Fisheye's weight of 265g.
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 F2.8 Fisheye and the Samsung 10mm F3.5 Fisheye 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 F2.8 Fisheye is also available in the Sony E mount.
Focal Range
Samyang 8mm F2.8 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 Samsung 10mm F3.5 Fisheye 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.