The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 300mm F2.8 APO EX DG HSM 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. Sigma 300mm F2.8 APO EX DG HSM is the longer of the two lenses at 215mm. The Samsung D-Xenon 50-200 F4-5.6 ED with a length of 79mm, is 136mm shorter. Besides being longer, the Sigma 300mm F2.8 APO EX DG HSM also has a larger diameter of 119mm 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, 89% (2145g) lighter than the Sigma 300mm F2.8 APO EX DG HSM's weight of 2400g.
Filter Threads
The Sigma 300mm F2.8 APO EX DG HSM has a filter size of 46mm 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 46mm filters that we recommend you to consider for the Sigma 300mm F2.8 APO EX DG HSM:
And these are the 52mm filters that we recommend for the Samsung D-Xenon 50-200 F4-5.6 ED:
Lens Mounts
The Sigma 300mm F2.8 APO EX DG HSM 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.
Sigma 300mm F2.8 APO EX DG HSM is also available in the Canon EF , Nikon F (FX), Sony Alpha and Sigma SA mounts.
Focal Range
Sigma 300mm F2.8 APO EX DG HSM is a prime lens with fixed focal lenght of 300mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
450mm.
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.
