Quote:
Originally Posted by LewisM
I believe the Orion are merely rebranded Prostar. I have used Astronomik and they are very good, as are Baader. Astrodon superb too, but mucho deniro.
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That's interesting actually; I read that somewhere else as well, but when I look at the transmission charts for the two filter sets, they're quite different.
At the moment I'm tossing up between the Orion and the Astronomik. The Baader's are too much and I've heard good things about the new Astronomiks. However the Orions are significantly cheaper and apparently parfocal... my main question there is about reflections and halos. Has anyone used the Orion filters?
I'm kind of hijacking my own thread here now, but for those of you that have have focus differences between filters (either caused by non-parfocal filters or other causes), how do you manage that? I imagine doing it by hand would result in not-quite-perfect images which could be a pain in the nether region when processing the images.