Paul
The Celestron LPI filter is 46mm.
Image 1
The image on the right is the Celestron LPI filter and the one on the left is a 2 inch filter.
Image 2
I am aware of only 2 options for 2 inch filters on the RASA 8. The first is the Artesky 2 filter adapter and the second is from Starizona.
The Artesky replaces the M42 camera adapter . The Starizona attaches to the Rasa 8 camera adapter and only fits ZWO 294,183 and 1600 cameras.
When I first bought the Rasa, the Celestron LPI filter was the only available, then came the Starizona and then the Artesky. That is why I have each.
A very expensive pathway.
cheers
Paul
Last edited by lollywater; 18-01-2020 at 04:09 PM.
Reason: images upside down
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