Jump to content


Omega 2 inch Sodium Notch filter For Sale

Price - $40.00

Ad Number: 175235

Posted: 25 Jun 2019

Please sign in to message advertiser

This is a 2" filter for partially eliminating sky glow from sodium lamps (streetlights). It looks clear but reduces light from the sodium wavelength. (Note: If you look at a streetlight with this filter i doesn't "go away," as they are phosphor-coated to broaden their spectrum).
$40 shipped in CONUS. Paypal please.


  • Condition excellent
  • Location Marcellus NY 13108

Advertiser Info

Powered by Classifieds

Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics