Caveat emptor
Caveat emptor Rodney, caveat emptor. In something of a Del Boy moment, I bought a camera with a view to repairing it and selling it for a tidy profit. Where do these ideas come from? It was a Nikon D40, so not a particularly high value item and it certainly wasn't going to make me rich however, one that would be a low risk attempt at learning more about camera repair if nothing else. There is a sub text here which is that I have a more valuable D3400 which keeps reporing that the lens is not attached when clearly the lens is attached. I'd like to open it up and see what's wrong but I'm not brave enough yet, hence the D40 seemed like a good opportunity to gain some knowledge. The D40 had been advertised with the problem that the lens kept falling off. That sounded like a simple enough fix as the bayonet fitting on these budget Nikon's is a plastic ring and it was reasonable to guess that one of the lugs had broken off. I ordered a replacement mount and waited for
