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For sale is my Daystar Quark, Chromosphere version. It has had infrequent use and I can't justify keeping it. Works superbly with my ED80. It was purchased in July 2017 from Widescreen Centre so is still well within the 5 year warranty period. I am looking for £625 posted to a UK mainland address. Everything is complete in the box including instructions, USB cable and power adaptor. Payment by bank transfer please.
Last summer I spent a lot of time observing and imaging the sun with a WO Z61 and Quark Chromosphere. Recently I have acquired a WO Z103 and if the sun ever comes out I would like to use this refractor for imaging as well. Question I have is with the wider aperture of the Z103, is it safe to use with the Quark and is an energy rejection filter needed?
I previously read that it should be ok up to c100mm without an ERF but I cannot see any reference to this on now on the Daystar website.