I have a brand new OPTOMA 4K 4000 lumens projector that looks great on my undersized 16:9 projection screen. I suspected that this item would be unreliable material at this price point. I was right. In fact, it is a super-thin cotton sheet with a sewn-on border. The image is blurry and shadows are visible from behind. time to keep looking. Bottom line: great for a quick kids show, but outside it's over when it gets wet. Even an entry-level slide projection screen is not enough in terms of contrast and brightness.
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