TQGroup

There seems to be a little confusion about testing lenses for decentering, after all, most do not have a testing jig like the one at Lens Rentals. And taking images of a brick wall will unlikely ...

Maybe, maybe not. Of course I can only speak for Australia. Have you actually tried sending your lens back to Nikon with photographic evidence of visible decentering?

Like most brands, Nikon lenses are covered by warranty for manufacturing defects. A significantly decentered lens that impacts image quality is a defect. I live in Sydney, Australia. For some years ...