i think if i remember correctly the M1000 has the same top housing as a M400 just with a Diffrent door and Reflector to Accomodate a larger lamp and ballast.....is this right? my light trivia is somewhat rusty at this point.
lightingfan8902, I know right? That High Pressure Sodium bulb fooled me. I thought they'd all be Mercury Vapor, but I won't know all of them in the area for sure unless I see one of them dayburning.
I wonder how badly distorted the optics are with the arc tube being so far back in the reflector. To maintain at least comparable optics they should have used socket extensions to center the lamp.