All Leica rangefinding products are based on the same reliable technology. This means precise and secure distance determination simply at the press of a button. For more than 20 years now, hunters worldwide have trusted the Leica CRF Rangemaster models, because they work absolutely reliably. Although the handy CRF Rangemaster models are extremely compact and ergonomic, they measure impressive distances. Depending on the choice of model, the various ballistic parameters can provide hunters with important additional information, needed to make the right decision at the right moment when hunting.