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One of the biggest reasons that people return red dot sights is because the dot is not perfectly round, or there is some glare around the inside of the tube. I have news for you. You won’t get a perfectly round dot. That’s just the way it is. The brighter you adjust the dot, the fuzzier it will get. Simple solution: turn the intensity down. The brightest settings are for the brightest ambient conditions. If you turn up your Aimpoint Comp C32X and you see a halo inside the tube, this is normal, not a flaw. Same with cheap units. If you’re in the middle of a snow field at noon with a bright sun you’ll be glad you have the option of such a bright setting, but that’s all it’s used for. If you’re using such a bright setting at the indoor range, turn it down. The dots also appear different from eye to eye. Look at one with your left and then your right. They most often appear different. This will happen with superb sights like all Aimpoints and EOTechs, as well as cheap imports. This is how they work. Also, the glass ocular lens on a reflex sight is not broken because it is installed crookedly. It’s supposed to be crooked to reflect the dot back to your eye.