This pair of Geovid-R range finding binoculars are a great option for anyone looking for the perfect set of glass for viewing anything from animals to targets. Not only will you be able to view them but gather their distance from you. With the (EHR) or Equivalent Horizontal Range, this pair of Geovids also offer the ability to gather range data both uphill and downhill. Being that this is the more important data for creating that perfect first round hit over the standard linear distance, it is an essential feature of this product.