Orion 08451 10x25 Long Eye Relief E-Series Monocular (Black) Compact and highly portable, this affordable 10x25 monocular features 12mm eye relief for comfortable views with or without eyeglasses on 10x magnification allows for close-up study of distant daytime targets Lightweight and small in size, the 10x25 LER monocular can be taken anywhere you go The conveniently portable 10x25 LER monocular provides a 5.9 degree field-of-view Anti-reflection coated 25mm objective lens gathers light for sharp, crisp daytime views