Nikon Prostaff P3 10x30 BinocularNikon Prostaff P3 8x30 Binoculars add a popular size to the Prostaff P3 series. The P3 10x30 boast a wide field of view (346' at 1000 yards) and weigh barely over a pound 16. 4 oz.), even with a robust rubber armoring which gives the P3 line a Drop resistant rating. The barrels are sealed by O rings and nitrogen purged for waterproofing and fogproofing, making the Prostaff P3 10x30 Binoculars a force to be reckoned with in any harsh environment. The