NCS1154: Features: -Lens coating: Ruby.-Multi-coated lenses.-Auto focus full range of magnification sizes for many uses.-Nitrogen filled and o-ring sealed.-Tripod adapter compatible.-Magnification: 10x.-Objective diameter: 50 mm.-Field of view (Feet at 100 yards): 325'.-Prism type: Porro.-Exit pupil: 5 mm. Includes: -Includes soft carry case, neck strap, and lens caps. Color/Finish: -Exterior finish: Camo. Specifications: -Center focus controls (except ba1050r and bba1050r which are auto focus). Dimensions: -Dimension: 7.4'' D.