I love my 20-35mm f2.8 because I sometimes still use film and it doesn't distort like the newer 17-35/2.8 or 16-35/4. I shows how soft it has got, when used on my D800. Official UK Nikon repairers won't touch it as 'spares are no longer available'. All I want is aligning & centring to keep it performing close to spec. I also still keep some old AiS primes for their unique drawing qualities. Can anyone recommend someone who will service older Nikon lenses?
Thanks guys, I will do exactly as you both suggest. I've also been tipped off that Fixation in the London borough of Kennington are worth trying. It's good to reward good traders with some good PR, so I will keep you all posted.