Eschenbach arena D+ 10x50 binoculars, BaK 4 prisms, waterproof

Excellent image quality due to phase-corrected BaK-4 prisms Viewing is easy on the eyes as silvering also reduces the harmful UV rays Completely waterproof and therefore suitable for all weather Nitrogen-filled to prevent fogging of the internal optics when the temperature fluctuates Extremely bright due to a 50-mm objective lens diameter and additional silvering of the prisms, which increases light transmission