Snypex Knight ED 10x32 Birdwatching Sports Optics with Minimum Focus Distance of 4.92ft Lens - ED (extra-low dispersion glass with dielectric high-reflective multilayer prism coating Prism system - dash (bak-4) and coating - FMC (fully-multi coated) Rubber armored body with waterproof, fog proof and shockproof Excellent binocular for low light condition works perfectly for birding , safari, outdoor sports Prism type -open hinge /roof prism binoculars