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 Olympus ED 9-18mm f4.0-5.6 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 Olympus ED 9-18mm f4.0-5.6 with a length of 50mm, is 46mm shorter. Besides being longer, the Samyang MF 14mm F2.8 Mk2 also has a larger diameter of 87mm compared to the Olympus ED 9-18mm f4.0-5.6's 57mm 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 9-18mm f4.0-5.6 weighs 155g, 76% (494g) lighter than the Samyang MF 14mm F2.8 Mk2's weight of 649g.
Lens Mounts
Both the Samyang MF 14mm F2.8 Mk2 and the Olympus ED 9-18mm f4.0-5.6 has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3.
Samyang MF 14mm F2.8 Mk2 is also available in the Canon EF , Canon EF-M, Fujifilm X, Nikon F (FX) and Sony E mounts.
Olympus ED 9-18mm f4.0-5.6 is also available in Four Thirds mount.
Focal Range
Samyang MF 14mm F2.8 Mk2 is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Olympus ED 9-18mm f4.0-5.6 has a focal range of 9-18mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 18-36mm when used on a FourThirds format camera.
