Nobody can say what you might be able to expect. This site and others are chock full of stories, including myself of; of hitting on a goldmine. It happens all the time. Keep an eye on dregslist especially. Keep your eyes open. One day sooner than later you're bound to make a haul Although most of these bargains are not known for ending up with great lenses, at least not for me. So I also keep my eye open on fleabay for Ektars, which are my favorite.