Just how big is the lens I rented today?

<img alt="♫ "I can see for miles and miles..." ♫" src="http://farm4.static.flickr.com/3155/2929772307_107902d880.jpg" height="375" width="500" />

♫ "I can see for miles and miles..." ♫

Now I can finally do that paparazzi gig that Wired magazine was talking about...