The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung D-Xenon 50-200 F4-5.6 ED and the Pentax 50-200mm F4-5.6 ED for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Pentax 50-200mm F4-5.6 ED is the longer of the two lenses at 80mm. The Samsung D-Xenon 50-200 F4-5.6 ED with a length of 79mm, is 1mm shorter. Besides being longer, the Pentax 50-200mm F4-5.6 ED also has a larger diameter of 69mm compared to the Samsung D-Xenon 50-200 F4-5.6 ED's 67mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samsung D-Xenon 50-200 F4-5.6 ED weighs 255g, which means it is 17g (6%) lighter than the Pentax 50-200mm F4-5.6 ED which has a weight of 272g.
The Samsung D-Xenon 50-200 F4-5.6 ED has the Pentax KAF2 lens mount whereas the Pentax 50-200mm F4-5.6 ED 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 KF, Pentax K-3 III and Pentax KP for the Pentax KAF Mount.
Both lenses have the same focal range of 50-200mm and the fastest aperture of F4.0 - F5.6.