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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Barrel Size: 1
Two M4*10 button head screws
Featuring a high-quality
from horizon to horizon
just enjoyment and ease of operation
ZWO 36 mm H-Alpha 7nm Narrowband Filter - Ha7nmD36 vendor-alpen-optics Barrel Size: 1The 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
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