The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax D FA 70-200mm F2.8ED and the Sony 70-200mm F2.8 G SSM II 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 70-200mm F2.8ED is the longer of the two lenses at 203mm. The Sony 70-200mm F2.8 G SSM II with a length of 197mm, is 6mm shorter. Besides being longer, the Pentax D FA 70-200mm F2.8ED also has a larger diameter of 92mm compared to the Sony 70-200mm F2.8 G SSM II's 87mm 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. Sony 70-200mm F2.8 G SSM II weighs 1500g, 14% (255g) lighter than the Pentax D FA 70-200mm F2.8ED's weight of 1755g.
Filter Threads
Both the Pentax D FA 70-200mm F2.8ED and the Sony 70-200mm F2.8 G SSM II have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Pentax D FA 70-200mm F2.8ED has the Pentax KAF3 lens mount whereas the Sony 70-200mm F2.8 G SSM II has the Sony Alpha 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 KAF3 Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Focal Range
Both lenses have the same focal range of
70-200mm and the fastest aperture of
F2.8.