For sale 26mm super plossl. Made by Omcon, marketed by GTO as a super plossl. 4 elements, 52 degrees, Dual MgFl / MC. Eyepiece is in good condition.
The GTO-SP series eyepieces set the performance standard for modern telescope oculars. The new 4-lens TRUE Plossl design with edge-to-edge blackened elements deliver the highest contrast images attainable. SP series eyepieces minimize spherical aberration, distortion, astigmatism and off-axis color with oversize lenses that give the observer long eye relief. Stray light is eliminated by the fold-back rubber eyecup standard with every GTO-SP eyepiece
$18.00 shipped CONUS