Celestron 52312 Regal M2 LER 27x80 ED Spotting Scope (Olive Green)

80 mm ED (Extra-Low Dispersion) objective lens. Proprietary XLT optical coatings on both the spotting scope and the LER eyepiece. LER eyepiece also includes T-threads for attaching a camera. Strong and durable magnesium alloy body with stay-on case. Waterproof and nitrogen-purged. Linear Field of View (@1000 yds) - 110 ft / 37 m, Close Focus 21.3 ft/6.5 m Long Eye Relief Eyepiece offers 32 mm of eye relief, so you can look through your scope without adjusting your position or removing protective eyewear. This shooting package is feature rich with superior optics, giving you the ultimate viewing experience in a rugged and durable housing that is fully waterproof and nitrogen filled.