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- Wed Jul 15, 2015 12:27 am
- Forum: General Laser machine discussion
- Topic: Gas pressure effect on lens to affect focus
- Replies: 0
- Views: 2013
Gas pressure effect on lens to affect focus
Just food for thought - Has anyone tested or run the numbers to see how far a lens might deflect under high gas pressure? And, how far would that deflection move the focus point? I wonder if that would help explain some of the rules of thumb regarding focus height when cutting various materials. See...