The Orion UltraBlock is the ideal eyepiece filter for deep-sky observers located at highly light-polluted sites
Narrowband filter blocks all forms of light pollution
Enhances the presence of a significant number of fainter deep-sky objects
Compatible with threaded Orion 2'' eyepieces. Metal filter cell construction.
Save yourself a trip to dark skies - with the UltraBlock filter you can enjoy the stars from the suburbs!

Technical Details

Product Details

Package Dimensions
Width : 3.2 inch
Height : 1 inch
Length : 3.2 inch

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

ASIN : B0000XMUTQ