i found a piece of pvc pipe that my camera fits into perfectly, and i went to the hardware store and picked up some scrap plexiglass and sealed it to the pvc with some silicone. its water tight, and im just gonna use a plastic bag to cover the back of the pvc pipe. (im not planning on going under water with it, but just taking some tube shots). however, the plexiglass has a couple of scratches on it, and the camera focuses on the scratches. is there any way to fix these scratches? also, should i ditch the plexiglass and just use regular glass? thanks for the help!
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