For starters, the Hitachi PJTX100 uses metric M6 screws. This mount doesn't come with those screws, and the adjustment screws it does include are not compatible with the thicker M6 diameter. I had to jury-rig a solution using M6 screws and locking nuts, but I spent way too much time driving back and forth from both The Home Depot and Orchard Supply Hardware buying random screws to try. I didn't want to actually bring the projector to the store as it might've gotten damaged.

Secondly, the 6" ceiling drop provided by the mount is too low because there is a drop in the ceiling of my home theater where the house used to end. The front half of my home theater room is an extension that was added to the house several years ago. This drop is quite large at 14" and right now, the projector cannot get past this with the lens shift. I would have to lower the screen almost to the floor for this to work, and then use digital keystone correction which will degrade the image quality.

So I've emailed the company I purchased the mount from to see if I can exchange it for a 12" projector mount. Same brand, different model with an extension arm. Then I should not have any problems with the drop in my ceiling where the previous exterior wall was located.

If I can't do that, then I have two options: I can either eBay the 6" mount and order the 12" mount, or I can purchase a wooden block to extend the mount point from the ceiling. If I wrap the wood in black felt, it won't look so bad.

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