I'm considering buying a used 70-200L f/2.8 Non-IS. It has dust and fungus inside the glass, and I'm wondering if I could pick it up and get it cleaned (and still save myself some money.) The seller want's $850 but they would also accept best offer, might be able to talk them down.
Does anyone have any estimates as to what the cleaning could cost? Once it's cleaned, it will be fine if I take care of it, right?