CHROMA TECHNOLOGY H-ALPHA FILTER Size:50mm square otherwise irreversible damage to eyes

otherwise irreversible damage to eyes and equipment may occur

SkyWatcher EQ6-R mount

so you can put double polarizing filters

any 12V DC source using the supplied EFA to 5

625 x Light gathering power 1275 x (compared to unaided eye) Focuser 2" Crayford with 1

CHROMA TECHNOLOGY H-ALPHA FILTER Size:50mm square otherwise irreversible damage to eyesChroma narrowband filters are the highest performing filters on the market today. They are available with a range of bandpasses and sizes to suit any configuration where the finest image quality is of paramount importance. H alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656. 3nm, a narrow band emission filter is required to separate H alpha from the SII doublet (671. 6nm and 673. 1nm). All