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Just been browsing the ZWO website with buying in mind. I have been tossing up to get an SII filter to complete the set but I see the new LRGB filter set has a wider band pass to include the SII wavelengths on the Red filter. My LRGB set is the earlier version which just clears the Ha wavelength. I think I'd be doing better (and a lot cheaper) to upgrade my LRGB set. It also improves on reflections, light transmission and better colour separation.
Alex, you may want to consider that option in your buy. Not sure if it would be available locally unless they only import on order.
Any comments on the new ASI filters anyone ?
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