The Nightforce TS-82 Xtreme Hi-Def 20-70x Straight riflescope comes with a quick-release bayonet mount, the ability to attach to your iPhone, a rugged aluminum body, a large center focus ring, high contrast images, internal prism design, APO fluorite glass, and proprietary Nightforce coatings.

Magnification: 20-70x (opt. 30-60x)
Field of view: 123.1' / 20x - 48.7' / 70x
Exit Pupil: 4.1mm / 20x - 1.17mm / 70x
Dioptric correction: ± 5D
Eye Relief: 18mm
Focus: 4.59 yards–infinity
Length with eyepiece: 16.4" (s) 15.9" (a)
Weight with eyepiece: 67 oz. (approx.)