Vortex Optics Viper HD Ranging Eyepiece 33.5x for 85mm Viper HD Spotting Scopes

Built for the Viper HD 85mm spotting scope, the Viper HD Reticle Eyepiece allows you to precisely call your partner's shots using the MOA or MRAD model. No more guessing at the distances of missed shots, or just calling "High/Low" or "Left/Right:” Make follow-up shots without having to buy a new spotter. If you know a few simple calculations, you can even range distances.