Levenhuk Monaco 10×52 Binoculars Roof prism. Magnification: 10x. Objective lens diameter: 52 mm. Levenhuk Monaco 10×52 Binoculars are the best option for you if you like hunting or tourism. With the large 52 mm objective lens diameter and 10x magnifications, you will be able to observe even in twilight. You can also assemble these binoculars on a tripod for additional comfort during lengthy observations. The optics are made of high-quality Bak-4 glass with dielectric coating that ensures exceptional quality of produced images. The shell is made of high-quality waterproof material and filled with nitrogen so you can use them even in rainy days or near the water. The rubberized body guarantees that the instrument won slip in your wet hands. You can safely use Levenhuk Monaco Binoculars in any weather conditions without fear of damaging the optics. Features: Twist-up eyecups; Diopter adjustment ring and adjustable inter pupillary distance; Central focusing; Waterproof and fog proof sturdy shell; Can be set on a tripod; Eyepiece and objective lens caps Common uses of these binoculars: hiking, hunting, field/military, astronomy. The kit includes: Levenhuk Monaco Binoculars Eyepiece and objective lens caps Neck strap Nylon pouch Cleaning wipe User guide and warranty Specifications: Optical design: Roof prism Optics coating: dielectric, fully multi-coated Optics material: BaK-4 glass Magnification, x: 10 Objective lens diameter, mm: 52Exit pupil diameter, mm: 5.2Eye relief, mm: 18Field of view, yds./1000 ft.: 279Close focus, ft.: 8.2Eyepiece diopter adjustment: from +4 to -4 diopters Inter pupillary distance (IPD), mm: 59 – 76Field of view, Degree: 5.3Relative brightness: 27Resolution threshold: 5.4” Twilight factor: 22.8.