ZWO 36 mm H-Alpha 7nm Narrowband Filter - Ha7nmD36 vendor-alpen-optics just enjoyment and ease of

just enjoyment and ease of operation

6 cm) Cushion Thickness: 1

from horizon to horizon

Barrel Size:                          1

ZWO 36 mm H-Alpha 7nm Narrowband Filter - Ha7nmD36 vendor-alpen-optics just enjoyment and ease ofThe ZWO H Alpha filter has a bandpass of 7nm and passes light at the 656nm wavelength, with a light transmission rate of up to 80%. This is the best choice for a narrowband H alpha astrophotography filter if you are doing high contrast imaging and want to reveal rich details of the nebula even in areas with strong light pollution. This ZWO Ha 7nm Filter has a diameter of 36 mm and comes unmounted. You can use it in 36 mm filter wheels. Do not use this