The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung 50-150mm F2.8 S and the Rokinon 85mm F1.4 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 50-150mm F2.8 S is the longer of the two lenses at 154mm. The Rokinon 85mm F1.4 with a length of 75mm, is 79mm shorter. Besides being longer, the Samsung 50-150mm F2.8 S also has a larger diameter of 81mm compared to the Rokinon 85mm F1.4's 78mm 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. Rokinon 85mm F1.4 weighs 539g, 41% (381g) lighter than the Samsung 50-150mm F2.8 S's weight of 920g.
Filter Threads
Both the Samsung 50-150mm F2.8 S and the Rokinon 85mm F1.4 have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samsung 50-150mm F2.8 S and the Rokinon 85mm F1.4 has the same Samsung NX lens mount. Some of the latest released cameras that are compatible with the Samsung NX lenses are Samsung NX1, Samsung NX3000 and Samsung NX30.
Rokinon 85mm F1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha and Nikon F (FX) mounts.
Focal Range
Samsung 50-150mm F2.8 S has a focal range of 50-150mm and
3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
75-225mm when used on a APS-C / DX format camera.
On the other hand, the Rokinon 85mm F1.4 is a prime lens with fixed focal lenght of 85mm.
