What is it?

[Chris Kennedy]

Anybody know what the lens is that this guy is using?

http://www.flickr.com/photos/doctorchandra/3734098239/

[Jeff D. Welker]

To my eye it looks very much like the Canon EF 600mm f/4L IS USM with a 2x teleconverter on the back. Jay would know for sure.

[Chris Kennedy]

I think the lens hood for that thing costs more than my camera.

[Jay Beckman]

Can't tell if it's a 500 or a 600 but it's definitely the 2X TC...

[cpasley]

Ill tell you what it is, its my wet dream, wow did I say that 

[Joe Copalman]

Click the link again.  He's clarified it for y'all.  It's the Beckmaninator.

[Chris Kennedy]

I thought it looked kind of familiar.