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Workflow for STC dual narrowband filter
Is there anything available for a qua-band narrowband filter like the Opt Triad Ultra?
It has the following characteristics:
|Hydrogen-beta||Oxygen III||Hydrogen-alpha||Sulfur II|
I've got very promising results using the STC DNB on Nikon D800a with APP (attached below) and would like to push the envelope even further... Any hints on how to approach quad narrowband on a CFA?