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Stellarvue SFF7-2 Flattener
Stellarvue has a relatively new flattener out, designed with a 2" focuser in mind. It is optimised for f/7, with a claim that it will work from f/6 to f/8.
It is stated as a non-reducing flattener, with a 1x result.
Pricing is $265 US at all the vendors I could find it at, not including a t-ring. This puts it a fair amount cheaper than the Borg DG-L, and the same price as the Televue 0.8x.
Has anyone given this flattener a try? I suspect it would be a good match for the Megrez 90. Stellarvue claims that it has good corner performance, in part due to its non-reducing design.
Regards,
Eric
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