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 656.3nm 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 1.25'' camera nosepiece, Orion Nautilus 1.25'' Filter Wheel or Orion Multiple 1.25'' Filter Wheel

Technical Details

Product Details

Package Dimensions
Width : 3.2 inch
Height : 0.9 inch
Length : 3.2 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B000YGGNDS