There's a type of optical sight that uses a light pattern that reflects off a piece of glass. The sight seems to float in the air. Just google Telrad...I have one for my telescope. There are also crosshairs in scopes that are lit by a small lamp.
I wasn't finished giving you belt advice, but you left before you saw it in the Shoutbox. I added you in Yahoo Messenger, though I don't know how often you're on there.
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