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I am trying to put a glass lens in my o-like 120-150mW module, I removed the lens housing from the diode housing. It looks like a second lens is glued to the module right after the crystal (I don't have a camera or i would take a pic). The beam from the module comes out round so I would assume they are using two lenses to focus this laser? I just wanted conformation from anyone who has taken one of these apart before removing this "lens" glued to the module.
Also if they are using two acrylic lenses(which would both lose power) then going to a AR coated glass lens should give significant performance boost right?
Also if they are using two acrylic lenses(which would both lose power) then going to a AR coated glass lens should give significant performance boost right?