However, if rumors are true, Sony could soon announce the kind of lens that we'd put in the wishful thinking category – the world's first 24-70mm f/2 full-frame lens. Mama mia. Let's be clear ...

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.

For the most critical uses, then the new Sony lens will score on its performance, and for some nothing less will do. For those of us with less deep pockets, it might have to remain an aspiration ...