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 Panasonic 8-18mm F2.8-4.0 ASPH 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 Panasonic 8-18mm F2.8-4.0 ASPH with a length of 88mm, is 8mm shorter. Besides being longer, the Samyang MF 14mm F2.8 Mk2 also has a larger diameter of 87mm compared to the Panasonic 8-18mm F2.8-4.0 ASPH's 73mm 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. Panasonic 8-18mm F2.8-4.0 ASPH weighs 315g, 51% (334g) lighter than the Samyang MF 14mm F2.8 Mk2's weight of 649g.
Both the Samyang MF 14mm F2.8 Mk2 and the Panasonic 8-18mm F2.8-4.0 ASPH 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-1 II, Panasonic G9 II and OM System OM-5.
Samyang MF 14mm F2.8 Mk2 is also available in Canon EF , Canon EF-M, Fujifilm X, Nikon F (FX) and Sony E mounts.
Samyang MF 14mm F2.8 Mk2 is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Panasonic 8-18mm F2.8-4.0 ASPH has a focal range of 8-18mm and 2.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-36mm when used on a FourThirds format camera.