Zeiss B Design Selection 8x20mm Monocular Black Small NSN 9005.80.4040. It features 8x magnification which provides a clear and detailed view of distant objects. The objective lens diameter of 20mm allows for plenty of light to enter the monocular resulting in a bright and sharp image. The eye relief of 15mm is comfortable for most users and the exit pupil of 2.5mm provides a good balance of magnification and field of view. The Zeiss Zeiss B Design Selection 8x20mm Monocular is also water-resistant and fog-proof making it a reliable companion in any weather conditions. It is also lightweight and compact making it easy to carry with you wherever you go. The monocular comes with a lanyard strap and a soft carrying case.Zeiss 522052-0000-000: B Design Selection 8x20mm Monocular Black Small NSN 9005.80.4040