The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Schneider PC-TS 2.8/50 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. Schneider PC-TS 2.8/50 is the longer of the two lenses at 128mm. The HD Pentax-D FA 50mm F1.4 SDM AW with a length of 106mm, is 22mm shorter. Besides being longer, the Schneider PC-TS 2.8/50 also has a larger diameter of 108mm compared to the HD Pentax-D FA 50mm F1.4 SDM AW's 80mm 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. HD Pentax-D FA 50mm F1.4 SDM AW weighs 910g, 35% (490g) lighter than the Schneider PC-TS 2.8/50's weight of 1400g.
Lens Mounts
The Schneider PC-TS 2.8/50 has the Pentax KAF 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 Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Schneider PC-TS 2.8/50 is also available in Canon EF , Nikon F (FX) and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Schneider PC-TS 2.8/50 has the fastest aperture of
F2.8, the HD Pentax-D FA 50mm F1.4 SDM AW's widest aperture value is
F1.4.