I have just bought a lens that is so far off centred that it is not fit for purpose, it is in good condition but optically poor, do I have grounds to send it back for a refund even if he says no returns?
No returns does not apply if the item is not as described. Unless it was listed as non working for parts only, then yes you can return it. Click return this item where you leave feedback. Choose not as described faulty.
