Hi Max,
I had a Baader Hyperion 8-24 that was very good for all but wide-field views in a 12" Dob. Sorry I sold it really.
In a recent "Sky at Night" review of zooms though, it came third, but not by much, behind the Meade 5000 and the Televue 8-24s. I don't know what they retail for.
Both Zeiss and Nikon make excellent zooms, but at about AU$700-$1000,
I find them a bit OTT.
Hope this helps.
Peter
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