Installing a 3" lens on a 50w Chinese laser, how to ramp test. How thick will it cut?

Hi guys, today I got a 3" lens for my 50watt laser cutter. I show you how to do a ramp test and then see just how thick I can cut with it. If you like what I am doing here then please feel free to buy me a beer! https://www.buymeacoffee.com/Philscorner My laser cutter : https://www.ebay.co.uk/itm/50W-CO2-La... Upgraded lens : https://amzn.to/3r7vB4F Upgraded Mirrors : https://amzn.to/2Wt9doh Extractor : https://amzn.to/2WnlXgd Glue : https://amzn.to/391kUsg My camera, Crosstour CT9000 : https://amzn.to/2MFVPvv These links help support my little channel, when you buy from them, I earn a little referral fee, but the items cost you exactly the same, so thank you!! #Philscraftcorner #co2laser #12mm