DL folks - I seem to be having some issues with certain SBIG filters, where I get halos around bright stars that I can't figure out how to remove....
Does Diffraction Limited publish filter curves for their RGB and UV/IR cut (luminance) 36 mm filters? If not, has anyone does anyone else have...
Hi, Can someone at SBIG supply the the type of o-ring needed for mounting 36mm x 2mm unmounted Baader filters into the FW8-8300 filter wheel?...
I recentlr purchased a 50 x 50 mm Hydrogen alpha filter and unlike other filters I have bought, this one was different on each side of the filter....
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