Explore Scientific 62° LER 0219620 Eyepiece 20 mm Ar (1.25 Inches) for Telescopes EMD Multilayer Coating Waterproof with Argon Protective Gas Filling

The high-quality 62° LER eyepiece has a focal length of 20 mm and allows very good images even with fast optics. The high-quality optics allow for high contrast and reduces edge blur. Only high-quality glass types have been used in the LER eyepiece and it is equipped with an EMD multi-layer coating. The argon filling prevents fogging from the inside and the eyepiece is waterproof sealed. A large eye relief allows comfortable observation and the reversible eyecups are also suitable for people who wear glasses. Dimensions: 102 mm, weight: 426 g Box contents: 62° LER eyepiece