It just dawned on me we're talking about two different things, Roger. I was referring to the disc that's attached to a lever and drops when the projector is in still mode. It was designed to protect the still film from the lamp heat. That's the device I would find would sometimes not close completely and properly. I took them off all my projectors. I also do not use still mode (if I did, I would have a problem--frame burns from the intense lamp heat.) Now...in rereading your inquiry and Mick's reply, I realize you guys are referring to the glass shield that has a separation line down the middle. It never occurred to me to remove that glass. I am almost always satisfied with the screen brightness from my projectors as they stand. As for your last post, Roger, I read somewhere that the split heat glass also helps protect the film, deflecting lamp heat toward the top vent. Makes engineering sense to me, but I wonder if film moving along at 24 fps would be affected by the additional heat.
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