Hello,
Quick look at stats on the filters, the Lumicon/Televue operate at 10nm and 12nm, the SVBony at 25nm. Seems like a bit of gap, I see the KSON range of HB filters operate closer to the Lumicon/Televue bandwidths, they might be worth a look at as well.
Filters are all about bandwidths so I'd suggest a search list of filters focusing on that.
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