BUY Celestron Ultima 10x50mm Porro Binocular. Qualified orders eligible for FREE S&H and FREE RETURNS. Color: Black, Magnification: 10 x, Objective Lens Diameter: 50 mm, Prism System: Porro, Prism Material: BAK-4, Eye Relief: 18 mm, Exit Pupil: 5 mm, Field of View, Linear: 315 ft at 1000 yds, Field of View, Angle: 6 degrees, Optical Coating: Fully Multi-Coated,
BINOCULARS Focus System: Center Focus, Twilight Factor: 22.36,