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My next purchase is probably going to be a quality ED 5x Barlow for planetary pictures if I don't talk myself into buying a 12 inch DOB as well! [/quote]
a 5x ed barlow will not be as good as a TV powermate.. and in either case, your scope wont handle the magnification. If I were you, I'd go for aperture before magnification, your images will increase in quality heaps with a bigger scope more than longer focal lenght...
I've got 3" aperture over you and a 3x barlow, and im moving to a 12" before I think about a 5x powermate.
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