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Very Narrow Band-Pass filter Opportunity
I am looking at getting a custom run of 50mm square *1.5 nm bandpass* SII Ha and OIII filters made.
They will not be cheap..price TBA, but probably on a par with AstroDon 3nm (~$1k ea).....
To get a hold of a set, there is a minimum production run required, hence I'd be happy to sell the batch remainder at cost.
They will out perform *anything* currently available.
If you are interested send me a PM. Unfortunately without critical mass, it won't happen.
Last edited by Peter Ward; 03-11-2012 at 06:16 PM.
Reason: more info, typo
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