The 10x32 RangeGuide Laser Rangefinder Binoculars fromGPO USA deliver high optical quality and modern electronic rangefinding technology, all in a single, compact optic. The 32mm objective lens, coupled with GPObright high-transmission lens coatings, make these binoculars exceptionally bright in low light while the magnesium body and rubber armor coating make them tough enough to use in any environment. If you need to see your game and know your distance, the GPO RangeGuide is your winning ticket.