Can You Use A Projector On A Dark Wall. A darker wall will not reflect the projector's light enough to provide a clear image. It can save you money to use the wall on your house to display an image versus having a screen that you have to line up with your projection.
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For example if a room where you plan on screening movies is pretty small, you better comparatively, a grey projector screen will show black and other dark colors well and have an excellent contrast ratio. If you must choose a wall that receives direct light, consider an ambient light rejecting projector screen or, if you're painting your screen on the wall, you can use ambient light rejecting paint (available at hardware. It doesn t seem to make sense, but actually works really well. Surfaces treated with projector paint reflect light the same way a screen does.