although pretty good for a zoom lens, and of course correctable. We can measure -2.59% barrel at 24mm, changing as we zoom to pincushion with +0.53% at 35mm, +1.81% at 50mm and +1.87% at 70mm.

As distortion measures just -0.31% barrel at 24mm, -0.05% barrel at 35mm and +0.03% pincushion at 70mm there is nothing to complain about - the system does its job well and the lens is virtually ...