Explore Scientific 52 LER Telescope Eyepiece 30mm Ar with high end EMD Coating

Large eye distance and great image sharpness. Excellent viewing position for people with glasses Excellent field sharpness even with fast optics. 52° apparent field of view Patented EMD-coating to maximize contrast. Blackened lens edges to avoid reflexes Argon-purging prevents internal fogging, the sealing facilitates cleaning. Stainless steel barrel with conical security cut-off. Dust covers and protective bag included Eyepiece plug diameter: 1, 25"