The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax FA 50mm F1.4 Classic 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. HD Pentax-D FA 50mm F1.4 SDM AW is the longer of the two lenses at 106mm. The Pentax FA 50mm F1.4 Classic with a length of 37mm, is 69mm shorter. Besides being longer, the HD Pentax-D FA 50mm F1.4 SDM AW also has a larger diameter of 80mm compared to the Pentax FA 50mm F1.4 Classic's 65mm 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. Pentax FA 50mm F1.4 Classic weighs 216g, which means it is 694g (76%) lighter than the HD Pentax-D FA 50mm F1.4 SDM AW which has a weight of 910g.
Lens Mounts
The Pentax FA 50mm F1.4 Classic 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 Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Focal Range
Both lenses have the same focal range of
50mm and the fastest aperture of
F1.4.