Narrowest 393.37 ever by Apollo Lasky

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...
bart1805
Im an EXPERT!
Im an EXPERT!
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Re: Narrowest 393.37 ever by Apollo Lasky

Post by bart1805 » Thu Oct 11, 2018 8:16 pm

Found this information about a UV-Barlow lens.
https://www.astrosystems.nl/uv-barlow-

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