The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung D-Xenon 35mm F2 AL and the Pentax D-FA 50mm F2.8 Macro 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. Pentax D-FA 50mm F2.8 Macro is the longer of the two lenses at 60mm. The Samsung D-Xenon 35mm F2 AL with a length of 45mm, is 15mm shorter. Besides being longer, the Pentax D-FA 50mm F2.8 Macro also has a larger diameter of 68mm compared to the Samsung D-Xenon 35mm F2 AL's 64mm 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 35mm F2 AL weighs 195g, which means it is 70g (26%) lighter than the Pentax D-FA 50mm F2.8 Macro which has a weight of 265g.
Filter Threads
Both the Samsung D-Xenon 35mm F2 AL and the Pentax D-FA 50mm F2.8 Macro have the same Filter thread size of 49mm.
Below are links to the 49mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Samsung D-Xenon 35mm F2 AL has the Pentax KAF2 lens mount whereas the Pentax D-FA 50mm F2.8 Macro 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.
Focal Range
Samsung D-Xenon 35mm F2 AL is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Pentax D-FA 50mm F2.8 Macro is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.
