Our great 2" eyepiece is now even better. We added a black anodized aluminum barrel that's threaded for filters. 4 element Plossl design. We used new coated optics to build these. Fits standard 2" telescope focuser. Perfect eyerelief for eyeglass wearers. Super eyepiece for the price. Unused FL 53mm, FOV 50 degrees (Barrel Limited), ER 60mm, EA 35mm Focal Length (FL), Field of View in degrees (FOV), Eye Relief (ER), Clear Exit Aperture (EA)
