Absorbe 99.99%, that seems like it would be good for a telescope part. For gratings and reflection control
Super expensive! But cool
https://www.edmundoptics.com/lab-produc ... nt-panels/
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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