The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung D-Xenon 10-17mm F3.5-4.5 and the Rokinon 14mm f2.8 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. Rokinon 14mm f2.8 is the longer of the two lenses at 96mm. The Samsung D-Xenon 10-17mm F3.5-4.5 with a length of 72mm, is 24mm shorter. Besides being longer, the Rokinon 14mm f2.8 also has a larger diameter of 87mm compared to the Samsung D-Xenon 10-17mm F3.5-4.5's 68mm 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 10-17mm F3.5-4.5 weighs 320g, which means it is 232g (42%) lighter than the Rokinon 14mm f2.8 which has a weight of 552g.
Lens Mounts
The Samsung D-Xenon 10-17mm F3.5-4.5 has the Pentax KAF2 lens mount whereas the Rokinon 14mm f2.8 has the Pentax KAF lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF2 Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Rokinon 14mm f2.8 is also available in Canon EF , Nikon F (FX), Four Thirds, Sony Alpha and Samsung NX mounts.
Focal Range
Samsung D-Xenon 10-17mm F3.5-4.5 has a focal range of 10-17mm and
1.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-25.5mm when used on a APS-C / DX format camera.
On the other hand, the Rokinon 14mm f2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21mm.
