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Orion 5587 1.25-Inch H-Alpha Extra-Narrowband Filter

Product Description :
Take high-contrast CCD images of emission nebulas in full moonlight or in extreme light pollution with this specialized extra narrowband h-alpha astrophotography filter
Astrophotography filter provides 90 transmission at H-alpha line of 6563nm and very narrow bandpass of 7nm
Reveals subtle nebular details which are usually washed out by contrast-killing broadband light
Also works great in conjunction with other filters for more advanced astrophotography techniques
Astrophotography filter threads into standard 125 camera nosepiece Orion Nautilus 125 Filter Wheel or Orion Multiple 125 Filter Wheel