The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 24-70mm f2.8L II USM and the Pentax D FA 24-70mm F2.8 ED SDM WR 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. Canon 24-70mm f2.8L II USM is the longer of the two lenses at 113mm. The Pentax D FA 24-70mm F2.8 ED SDM WR with a length of 110mm, is 3mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 89mm.
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 D FA 24-70mm F2.8 ED SDM WR weighs 787g, 2% (18g) lighter than the Canon 24-70mm f2.8L II USM's weight of 805g.
Lens Mounts
The Canon 24-70mm f2.8L II USM has the Canon EF lens mount whereas the Pentax D FA 24-70mm F2.8 ED SDM WR has the Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF 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
24-70mm and the fastest aperture of
F2.8.