The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 70-200 F2.8 II and the HD Pentax-D FA 50mm F1.4 SDM AW 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. Nikon Z 70-200 F2.8 II is the longer of the two lenses at 208mm. The HD Pentax-D FA 50mm F1.4 SDM AW with a length of 106mm, is 102mm shorter. Besides being longer, the Nikon Z 70-200 F2.8 II also has a larger diameter of 90mm compared to the HD Pentax-D FA 50mm F1.4 SDM AW's 80mm diameter.
Below you can find a scaled side-by-side image of Nikon Z 70-200 F2.8 II and HD Pentax-D FA 50mm F1.4 SDM AW to get a better idea of how their sizes compare in real life.
Comparison image of the Nikon Z 70-200 F2.8 II and the HD Pentax-D FA 50mm F1.4 SDM AW Size and Weight 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. HD Pentax-D FA 50mm F1.4 SDM AW weighs 910g, 22% (270g) lighter than the Nikon Z 70-200 F2.8 II's weight of 1180g.
Lens Mounts
The Nikon Z 70-200 F2.8 II has the Nikon Z lens mount whereas the HD Pentax-D FA 50mm F1.4 SDM AW has the Pentax KAF3 lens mount . Some of the latest released cameras that are compatible with these mounts are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Focal Range
Nikon Z 70-200 F2.8 II has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 300mm .
On the other hand, the HD Pentax-D FA 50mm F1.4 SDM AW 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 .
