Leica Camera Co. 10x42 Geovid-R Binoculars with EHR Great for bow hunters, muzzle loaders, and intermediate distance rifle shots Incredible balance of performance and value Displays Linear distances for a measuring range of up to 1200 yards Display the equivalent horizontal range (ehr) for angle shots for distances from 10 meters/yards to 550 meters/600 yards Ehr is provided immediately and automatically after the line of sight distance - pre-setting or pre-programming is not required