Vortex Razor HD 30x Ranging Spotting Scope Eyepiece, MOA Reticle is a part of the high quality and dependable 4S-Spotting Scope Eyepieces from Vortex. All of the features you need for a price you want. 4S-Spotting Scope Eyepieces from Vortex are well known for their quality and Vortex Razor HD 30x Ranging Spotting Scope Eyepiece, MOA Reticle upholds that standard.