Blocking Filter, Mini ERFs and Alternatives

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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Re: Blocking Filter, Mini ERFs and Alternatives

Post by krakatoa1883 » Sun Sep 30, 2018 3:04 pm

It was mounted just in front of a Powermate in my 150mm refractor. As I said above it was a cold winter day so it doesn't seem unlikely that it broke by a thermal shock.

The filter I am now using is this ... ilter.html however for some unknown reason it is not compatible with my Quark in its original configuration, I had to remove the telecentric for making use of it. Same with my front Baader DERF.
My solar images and reports with articles on solar equipment

christian viladrich
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Re: Blocking Filter, Mini ERFs and Alternatives

Post by christian viladrich » Sun Sep 30, 2018 3:24 pm

Interesting ... thanks for sharing.
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