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- Mon Mar 18, 2024 2:14 am
- Forum: Laser Knowledge
- Topic: 4" lens focus problem
- Replies: 3
- Views: 4239
4" lens focus problem
Hi, I have a Omicron type (Vevor) 60W CO2 Laser and was having trouble cutting through 9mm ply with the stock lens. I purchased a 4" lens but the thinnest line I can get in the ramp test is not thin enough and the bed has to lower some 20-25mm to get that. The lens is installed with the side I ...