An order for 2 laser tubes has been placed! The company we purchased from is doing a deal for every tube purchased they include a focus lense.
06/22/2025 The current laser tube is a Yongli A4S. The focus lense has a focal length of 63.5 ml and a diameter of 20ml. Both are usually ordered through Alibaba with sea shipping. June 2025 we currently have 2 tubes and focus lenses on order.
I cross posted this info on the wiki so it's easier to find next time!