snypex Profinder HD 8 x 32 Sport Optic Binocular for Hiking, Biking, Camping, Travel, Safari Minimum focus distance 3.92 ft. great for butterflies, dragonflies and close insects Multi stage rotating retractable eyecups greatly facilitate eye positioning Phase multi coated roof prisms, extremely compact size for an 8 x 5 binocular Nitrogen filled, submerge to 1 m, for 15 minutes