High Quality Precision ground multi coated lenses for clear and crisp image, External quick focus knob, Protective rubber armor outer coating, Nitrogen filled and o-ring sealed, Built-in sliding sunshade, Includes tripod, soft carry case, and lens caps, Magnification: 15x-40x, Objective Dia(Mm): 50, 00, Fov At 1000 Yds: 150-45", Exit Pupil(Mm): 3, 30 @ 15x, Exterior Finish: Green/Black, Lens Coating: Green, Length: 9, 50"", SKU: DSD533558