The Small enough to compete with most of today's cell phones the Nikon Aculon Laser Rangefinder - 6x20mm redefines "portability". With 6x magnification, a 20mm objective lens, this Rangefinder from Nikon will deliver an accurate reading up to 550 yards. The Nikon ACULON 20mm Rangefinder is programmed in Distant Target Priority Mode - meaning that it will display the range of the furthest target amongst a group of targets measured. It is particularly useful if the target is partially obstructed by grass or brush. For a great way to make sure you can accurately range your targets, choose the Nikon 6x20mm Laser Aculon Rangefinder.