NIKON ProStaff 550 Laser Range Finder Add in such features as 6x multicoated optics, an eyeglass-friendly 18mm of eye relief, a continuous measurement mode, 100-percent waterproof and fogproof construction; and a maximum measurement of 733 yards and you have a comfortable, powerful range finder that leaves its competitors in the dust. Specifications: * Finish: Green * Measurement range: 11 to 550 yards * Increment reading: 0.5 to 1 yard * Viewfinder display: meters/ yards * Magnification: 6x * Angular field of view ( real) : 6 degrees * Angular field of view ( apparent) 34.9 degrees * Eye relief: 18mm * Diopter adjustment: + / -4 * Power source: 1 CR2 lithium battery * Objective diameter: 21mm * Exit pupil: 3.5mm * Dimensions: 1.5 by 2.7 by 5.1 inches ( W x H x D) * Weight: 6.3 ounces ( without batteries)
