Astrodon 28mm Unmounted HA OIII SII 5NM Narrowband Imaging Filter Set

A good quality set of Astrodon narrowband 5nm imaging filters with nice clean glass!  ..

£750.00

Baader 65mm Narrowband CCD Filter Set - 65x65 Full Frame

In very nice used condition HA 7nm SII 8nm Oiii 8.5nm..

£420.00

ZWO 2" Ha SII OIII 7nm Narrowband Filter Set

In excellent used condition..

£600.00