The Crossfire HD family of spotters delivers the powerful, hunting tool you've been waiting for with the proven performance and reliability you expect from a Crossfire. Its wide field of view is perfect for chewing up ground in any environment.Specifications and Features: Magnification: 16-48x Objective Lens Diameter: 65 mm Linear Field of View: 131' - 68' Angular Field of View: 2.5deg - 1.3deg Eye Relief: 18.0mm Length: 13.4" Weight: 44.1 oz. Close Focus: 16.5'