Where to buy a Magnifying Loupe?

I didn't know those were also called loupes. I was hoping for the style like this(but doesn't have to be illuminated)

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They might have them there too but those are just usually called magnifiers. I'll see what I can find at the local stores..... I use those at work but haven't had to buy one in a while.
 
Buy them on ebay. Vancouver Mining supply stores will have them, they are the principle tool of a gold miner. a good one is $100, a cheap one will drive your eyes nuts. for gun work 10x or 10 power is lots, 20x is for biologists who study fungus and molds 30x for stamp collectors. Depth of field gets very small the higher the power, which is why 10 is good for guns as you typically want to see the imperfections in context of the surrounding area which is hard to do with a 20x and impossible with a 30x.
 
Buy them on ebay. Vancouver Mining supply stores will have them, they are the principle tool of a gold miner. a good one is $100, a cheap one will drive your eyes nuts. for gun work 10x or 10 power is lots, 20x is for biologists who study fungus and molds 30x for stamp collectors. Depth of field gets very small the higher the power, which is why 10 is good for guns as you typically want to see the imperfections in context of the surrounding area which is hard to do with a 20x and impossible with a 30x.

You are correct. I use a 25x for prospecting but it has a fixed focal length tube attached, if it didn't it would be impossible to focus.
 
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