Lumicon Deep Sky 1.25" Filter. Used only about 5 times. Excellent condition, highly regarded Lumicon brand.
Blocks light polluting mercury and sodium vapor lamp emissions while letting through all other parts of the spectrum. Useful for visual, astrophotography, CCD, B & W, and color work. Offers contrast gain for nebula, galaxies, star clusters, and comets.
Only $65 including shipping and insurance. Originally paid $100 from Lumicon a few months ago.