I would think it would be similar for those that have finished (drywall) ceilings. The projector/lens mount could still be attached to the rafters in your basement. You most likely will have to cut a hole your tiles for the mount shaft to come down through.
I hung a 24" square shelf about 1 foot below the ceiling, supported by threaded rods at the corners. I then set my H78 on the shelf and the lens in front of it. This only works if you have a pj with lens shift
I've seen one install where the tile was removed and replaced with MDF, painted to match and then the projector bracket was hung from the MDF. So for intensive purposes, it looked like any standard ceiling as the suspended frame can hold a fair weight...
I had a thought regarding this. I just recently purchased a projector mount from Perfectmounts.com. I ordered with it a false ceiling plate adapter. You could probably order just this part and attach the lense to it. Check out their website for pics and instructions. The fit and finish is first rate on the one that I got plus they have a money back satisfaction guarantee.
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