Not your typical binoculars vanguards top of the line endeavor ed binoculars deliver sharpness and clarity like never before with exceptional light transmission and remarkable colour resolution and contrast other features include an ergonomic open bridge design for a comfortable fit a wide view angle bak4 roof prisms an anti reflection coating large focus adjustment wheel and long eye relief nitrogen charged and o ring sealed the endeavor ed binoculars are waterproof and fogproof to ta