Leupold SX-4 Pro Guide HD Gen2 Spotting Scope 15 - 45X65mm Straight Straight eyepiece for convenient packing and downhill glassing;15-45x magnification with 65mm objective lens;Elite Optical System for excellent light transmission and glare reduction;Diamond-Coat, scratch-resistant lenses with Guard-ion coating to repel dirt, water, and smudges;Rugged magnesium body for extreme durability;100 percent waterproof and fogproof construction;Oversized eyepiece for maximum light and reduced strain;Arca Swiss tripod adapter for quick and secure setup;Interchangeable FormFit eyecups for all-day comfort;Length: 14.4 inches; weight: 62 oz;Field of view: 131 ft (low magnification) and 68.1 ft (high magnification) at 1,000 yards;Close focus distance: 22 feet;Eye relief: 20mm (low magnification) and 17.6mm (high magnification);Exit pupil: 4mm (low magnification) and 1.38mm (high magnification);Backed by a lifetime performance guarantee from Leupoldtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4000 Product Group Code: 4000D Inactive: No