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Thread Starter 
Hi to all,
I would like a bit of help and opinions about screen gain required for an older projector.I have a Sony VPH-1020QM projecting a picture size of about 75" which I will soon make 100" which is it's design picture size.I have read about some of you making your own screens and painting walls etc.If the screen gain needs to be higher because of the projector age then a manufacturer made screen seems the best way,the DIY screens don't seem to have high gain. All opinions would be appreciated.