The rugged benchmark for all-weather brightness and clarity Midas G2 UHD roof-prism binoculars are light and slim thanks to a magnesium chassis. With Extra-Low Dispersion Glass lenses Advanced Fully multi-coated optics high-quality BaK-4 prisms with the ESP Dielectric coating plus phase coating the Midas binos gather maximum light and produce brilliant color fidelity. No matter the conditions with Midas the outlook is clear. Other design enhancements include the XPL Lenses coating that protects the exterior lenses from scratches dust and anything else mother nature throws at you. They also feature improved twist-up eyecups and argon purging.