Bg40 glass energy rejection.

Frankenscope? Let's see it!***be advised that NOTHING in this forum has been safety tested and you are reading and using these posts at your own peril. blah, blah, blah... dont mess around with your eyesight when it comes to solar astronomy. Use appropriate filtration at all times...
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TheSkyBurner
Im an EXPERT!
Im an EXPERT!
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Bg40 glass energy rejection.

Post by TheSkyBurner » Tue Jun 19, 2018 2:54 am

https://www.thorlabs.com/thorproduct.cf ... ber=FGB37H

Calcium, gband, and whit light.

6” x 6” 40/20 scratch dig.
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