The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 14mm F2.8 and the Olympus ED 8mm f3.5 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 14mm F2.8 is the longer of the two lenses at 96mm. The Olympus ED 8mm f3.5 Fisheye with a length of 77mm, is 19mm shorter. Besides being longer, the Samyang 14mm F2.8 also has a larger diameter of 87mm compared to the Olympus ED 8mm f3.5 Fisheye's 79mm 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. Olympus ED 8mm f3.5 Fisheye weighs 485g, 12% (67g) lighter than the Samyang 14mm F2.8's weight of 552g.
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 14mm F2.8 and the Olympus ED 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 Olympus E-5, Olympus E-600 and Olympus E-620.
Samyang 14mm F2.8 is also available in the Canon EF , Nikon F (FX), Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Focal Range
Samyang 14mm F2.8 is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Olympus ED 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 16mm when used on a FourThirds format camera.
