Centering MH bulb in reflector

[Luke.Fraizer]

I have been looking all over the place and I can not find which point of the bulb is supposed to be centered in the reflector. I was assuming it was the focus dot on the bulb but I'm not sure. Anyone have any ideas?

 

[Walter White]

My understanding is to center the arc tube and exhaust tip in the middle of the reflector

 

[Luke.Fraizer]

Perfect that was my thought as well. I assumed that was the point but I was not sure. Now we see if they produce light any better.