What's the story on this lens?

I'm on a budget, but I don't want to buy something that really is a waste of money either!

http://cgi.ebay.com/Vivitar-600-2000...QQcmdZViewItem

Anything good or bad will help.

Thanks, KEvin

That looks like a bunch of converters stacked up. I would expect the quality to be very poor and using the lens to be frustrating. We all want more for our money. But when it comes to lenses, better to look for more in the area of image quality and let go of the reach. Even pros aren't using 2000mm lenses. There must be a reason for that, right?

What lenses do you have now? What do you want to shoot that you can't with what you have? Give us some more info and we can give you some lens recommendations that you won't regret.

Yes, I figured, but had to ask!