If you need to get a closer look when in the wilderness, the ATHLON Midas BTR MAG31 3 x 27.5 Magnifier is here to help. The magnifier uses fully multicoated lenses to offer a beautiful view of nature and is designed with a 1-piece chassis that provides waterproof and fog-proof protection, allowing you to focus even in harsh weather conditions. The fixed-mount unit comes with a flip mount that can be installed on your Picatinny rail.