Has anyone used this ebay host: 405 650 660 635 Laser housing with Focusing Lens... ?

Has anyone tried this ebay laser "host" with lens? If so, what do you think of its lens?

405nm 650nm 660nm 635nm Laser housing with Focusing Lens (5.6mm diode)



Ebay item number: 231050062164

I guess you couldnt tell much from the auction without testing the lens, it would be a cool start if there was some copper parts and if you knew a host that this assembly would be a perfect drop in for, Seems alright for its price, if you get one you may be able to send the lens to someone on here for testing against a G2