Nikon Eyepiece SEP-20-60 for Prostaff 5 Fieldscope

Specifications when used with Nikon ProStaff 5 60mm Spotting scope (both straight and angled models): Magnification - 16-48x Real field of view (at 16x magnification) - 2.6° Apparent field of view (at 16x magnification) - 39.9° Field of view (at 1000m at 16x magnification) - 45m Exit pupil (at 16x magnification) - 3.8mm Relative brightness (at 16x magnification) - 14.4 Eye relief (at 16x magnification) - 16.9mm Weight - 225g Specifications when used with Nikon ProStaff 5 82mm Spotting scope (both straight and angled models): Magnification - 20-60x Real field of view (at 20x magnification) - 2.1° Apparent field of view (at 20x magnification) - 39.9° Field of view (at 1000m at 20x magnification) - 36m Exit pupil (at 20x magnification) - 4.1mm Relative brightness (at 20x magnification) - 16.8 Eye relief (at 20x magnification) - 16.9mm Weight - 225g Features: Fully multilayer-coated Long eye relief design for viewing comfort with eyeglasses Usable for both observation and digiscoping Bayonet mount with lock for easy attachment and release Water-resistant when attached to Fieldscope body