This is an excellent spotting scope! It uses Extra Low Dispersion (ED) which minimizes false color. Along with the fully multicoated lenses, the edge-to-edge clarity is exceptional. Zoom eyepiece provides 20-60x magnification. Waterproof. A "stay-on" case (thin, not bulky) is included.

Objective Lens Diameter - 82mm

Magnification - 20-60x zoom

Weight - 3.6 pounds

Close focus - 16.4 feet

Lifetime service from Nikon on all Optical Components (no charge!) Nikon will repair all structural/mechanical components for 7 years, at no charge.