The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 85mm F1.4 and the Samsung D-Xenon 50-200 F4-5.6 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 50-200 F4-5.6 ED is the longer of the two lenses at 79mm. The Samyang 85mm F1.4 with a length of 75mm, is 4mm shorter. On the other hand, the Samyang 85mm F1.4 has a larger diameter of 78mm compared to the Samsung D-Xenon 50-200 F4-5.6 ED's 67mm 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 50-200 F4-5.6 ED weighs 255g, 52% (284g) lighter than the Samyang 85mm F1.4's weight of 539g.
Filter Threads
The Samyang 85mm F1.4 has a filter size of 72mm whereas the Samsung D-Xenon 50-200 F4-5.6 ED has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Samyang 85mm F1.4:
And these are the 52mm filters that we recommend for the Samsung D-Xenon 50-200 F4-5.6 ED:
Lens Mounts
The Samyang 85mm F1.4 has the Pentax KAF lens mount whereas the Samsung D-Xenon 50-200 F4-5.6 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 85mm F1.4 is also available in the Canon EF , Nikon F (FX), Four Thirds, Sony Alpha, Sony E and Samsung NX mounts.
Focal Range
Samyang 85mm F1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm.
On the other hand, the Samsung D-Xenon 50-200 F4-5.6 ED has a focal range of 50-200mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 75-300mm when used on a APS-C / DX format camera.
