Zeiss B Design Selection 10x25mm Monocular Scope Black Small NSN 9005.80.4040. It features 10x 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 10x25mm Monocular Scope 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. Specifications for Zeiss B Design Selection 10x25mm Monocular Scope: Manufacturer: Zeiss Color: Black Magnification: 10 x Objective Lens Diameter: 25 mm Eye Relief: 15 mm Exit Pupil: 2.5 mm Field of View Linear: 285 ft at 1000 yds Field of View Angle: 5.1 degrees ED Glass: No Scope Body Type: Straight Body Only: No Minimum Focus Distance: 14.8 ft Zoom: Yes Close Focus: 14.8 ft Water Resistance Level: Yes Length: 4.3 in Weight: 3.1 oz Finish: Black Condition: New Fabric/Material: Polycarbonate Magnification Type: Fixed Features of Zeiss 10x25 B Design Selection Monocular: Zeiss monoculars come with lanyard strap Limited Lifetime Warranty Package Contents: Zeiss B Design Selection 10x25mm Monocular Scope Zeiss 522053-0000-000: B Design Selection 10x25mm Monocular Scope Black Small NSN 9005.80.4040