Help finding focusing lens for a Gatling host?

[Who_What?]

I have a buddy who purchased a some Chinese lasers (Gatling Style Hosts) while on a business trip to shanghai, he seems to like them enough but they came with those cheap 11.28mm kaleidoscope lens (the plastic 5 lens bundle stuff) and he wants to be able to focus them, any ideas where I can find some compatible lens for them (Not the 3 element stuff)?

 

[gazer101]

The gatling hosts have nice deep focusing barrels, so it's definitely best go with a G8 lens (see eBay)