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Hi drsid, Have you ever tired a rodenstock beam expander on a 1.5 watt 445 nm? Some say it extends the burning distance..

Hi, jay. Have you ever tried your high powered laser with a beam expander to increase the burning distance? Coz im planing to purchase one of your 405 g-1 lens and a beam expander - which i'm still planing to buy.. thanks

Very nice build! Want to have one of those..

Hi jayrob, I have a 1w 445nm blue laser using a glass lens. If replace it with your g-1 lens, would the beam be brighter? thanks

what kind of telescope would that be?

Yea, I've checked them but It's kind of expensive.. I just want to build a cheaper one..

I'll try a monocular scope. thanks..

Hi, I'm new here. I have a 500mw green laser. And I want to make a beam expander so that I could extend its burning range. What kind of lens should I buy?:thinking: thanks..