Lens AF stopped working

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I ahve a Nikon 300mm F4 great lens but AF has packed in. Anyone know if its worth a repair financially? If so ideas of prices.

Thanks.

 

[chphoto]

I think the best thing to do first of all is shop around for a few quotes, some places do fixed price repairs as far as I know.
I'm a Canon dude (*prepares flak jacket*) so I've not got much clue about the value of N...Ni... *achoooo* ...Nikon lenses