Astro-Tech #12 Medium yellow 1.25" color filter
$11.95

Availability: In stock

This #12 medium yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 4" to 8" in aperture, particularly if combined with a polarizing or neutral density filter when used with the larger apertures . . .
SKU: ATCF12