OT but this is the best a quick google could find, $85, don't know if they work as advertised but it would be great if it did.
"We are pleased to present our line of sodium flare camera filters for SLR/DLR cameras and cellphone/pad/laptop cameras (available in a clip-on form)".ttp://www.auralens.net/en/camera-filters
Only review FWIW:
"I spent forever looking for this type of camera filter; all I could find were filters designed for color enhancement with far less metal in the glass than needed for photographing glass lampwork. This filter is perfect for that, plenty of didymium in the glass."
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Brian
Last edited by calstar; 02-09-20 at 05:05 PM.