Astronomik H Alpha 12NM CCD Clip Filter Canon APSC 2458343 Combines with the (planeoptically polished)

Combines with the (planeoptically polished) BAADER Infrared Cut-Filter

Eye Relief (mm): 17 mm

Bahtinov masks are adjustable to fit a wide range of optical tubes

No need to identify or locate any star in the sky – StarSense will automatically align your telescope

an illustration showing how the object realistically looks

Astronomik H Alpha 12NM CCD Clip Filter Canon APSC 2458343 Combines with the (planeoptically polished)Hydrogen Alpha 12NM CCD Clip Filter for Canon APSC Sensor The Astronomik 12 nm H alpha CCD Clip Filter for Canon EOS APS C cameras is a narrow band pass filter for hydrogen nebulae and can be inserted into the camera body within seconds. Do you own a Canon EOS digital camera for astro imaging? Then you have surely encountered the following problems: Large filters for large camera lens objectives are very expensive. If you place a filter holder between