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These scopes that I use are so cheap I'm sure you can swing both. This little hand held is a little hard to use at first but you get the hang of it rather quickly. I place it on the side of the blade...

I use one of these. I'm not sure how true the magnification specs are but zooms in quite a bit. I have a loupe as well but find that 30x is simply not enough for my tastes. This cheapo little tool...