Bushnell Legend Ultra HD DOA Crossbow Riflescope (1.75-5x32-mm) The perfect scope for Medium range hunting with a crossbow; doa x-bow reticle enables you to shoot with lethal precision out to 50 yards Parallax set at 35 yards; fast-focus eyepiece ED prime extra-low dispersion Glass, fully multi-coated optics bring vivid clarity and contrast, even in low-light conditions Lenses are protected by Bushnell's ultra-effective rain guard HD for the clearest possible view in the Face of foul weather or Condensation from your own misguided breath Ultra-strong, one-piece tube design that allows for a waterproof, fog proof, and shockproof scope The perfect scope for medium range hunting with a crossbow; DOA X-Bow Reticle enables you to shoot with lethal precision out to 50 yards Parallax set at 35 yards; fast-focus eyepiece ED Prime Extra-Low Dispersion glass, fully multi-coated optics bring vivid clarity and contrast, even in low-light conditions Lenses are protected by Bushnell's ultra-effective Rain Guard HD for the clearest possible view in the face of foul weather or condensation from your own misguided breath