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why are there so many different laser lenses?

reloader45

Active member
Joined
Mar 17, 2019
Messages
172
Points
28
hello,

My 470 nm Project died.
I am unable to Open the Chinese Module.
It is glued or pressed.

Best regards

Edgar
 



hondaman900

New member
Joined
Mar 6, 2011
Messages
14
Points
1
Consider using beam correction optics.
What's the best source/resource for beam correction optics for a 405 nm laser? I'm having difficulty finding anything with a focal length more than 3-4 cm and need 13 cm.
 
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