|
These ones
NEW! Nebula filter - broadband, with light pollution and skyglow nulls $ Neutral density filter (ND96/AD083) D=0.3. Has 50% light transmission $ Neutral density filter (ND96/AD084) D=0.6. Has 25% light transmission $ Neutral density filter (ND96/AD085) D=0.9. Has 13% light transmission $ NEW! OIII filter - narrow band, ultra high contrast (UHC), has emission and planetary nebulae peaks; OIII and H-beta enhancement $ Polarising filter (can use two in series to adjust light transmission level) $ Skylight filter - SCT thread type - discounted more! $ NEW! UHC filter - narrowest passband of GSO filters, for best results when viewing ring nebulae and most planetary nebulae, 500nm centred $
UV/IR blocking filter - discounted more!
|