Karls48
09-11-2012, 02:40 PM
US made by Omega Optical H alpha 6nm 2" filter. Used once and then I decided that narrow band imagining is not my cup of tea. Has been in drawer since.
S100 + $8 postage
S100 + $8 postage
View Full Version here: : [SOLD] Hydrogen Alpha 6nm 2" filter