The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 8mm F3.5 Fisheye and the Samsung D-Xenon 12-24mm F4 ED 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. Samsung D-Xenon 12-24mm F4 ED is the longer of the two lenses at 88mm. The Samyang 8mm F3.5 Fisheye with a length of 77mm, is 11mm shorter. Besides being longer, the Samsung D-Xenon 12-24mm F4 ED also has a larger diameter of 84mm compared to the Samyang 8mm F3.5 Fisheye's 75mm 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. Samsung D-Xenon 12-24mm F4 ED weighs 430g, 2% (13g) lighter than the Samyang 8mm F3.5 Fisheye's weight of 443g.
Lens Mounts
The Samyang 8mm F3.5 Fisheye has the Pentax KAF lens mount whereas the Samsung D-Xenon 12-24mm F4 ED has the Pentax KAF2 lens mount. Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and , and for the Pentax KAF2 Mount.
Samyang 8mm F3.5 Fisheye is also available in the Canon EF , Nikon F (DX), Four Thirds, Sony Alpha and Samsung NX mounts.
Focal Range
Samyang 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.
On the other hand, the Samsung D-Xenon 12-24mm F4 ED has a focal range of 12-24mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 18-36mm when used on a APS-C / DX format camera.
