Sulfur-II astrophotography filter allows high-contrast imaging even in light polluted skies
Filter passes light at 672.4nm wavelength (S-II line) with a narrow bandpass of 7nm
Very high 90% transmission of S-II light allows stunning astrophotos to be captured in city skies
1.25' astrophotography filter made from high-grade glass with dichroic interference and antireflection coatings. Metal filter cell construction.
Use with Orion O-III and H-alpha extra-narrowband imaging filters for tricolor CCD astrophotography

Technical Details

Product Details

Package Dimensions
Width : 3 inch
Height : 0.9 inch
Length : 3.2 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B0013D65JI