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Artifacts in barlows - what should I do?
I'm having a problem that I'm sure others have seen, and I'm just at a loss about what to do. I have artifacts of some sort on my cheap 2x barlow and my Meade 3x TeleExtender. When using either of them to shoot video of a planet, the planet's image takes up a lot of space and I can't get images without these artifacts ruining the shot. I'm sure they aren't dust, but rather something in the glass... I think.
Attachment 1 is of the 3x Meade
Attachment 2 is of the 2x barlow
Any suggestions?
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