Levenhuk Atom 8x30 Binoculars Porro prisms. Magnification: 8x. Objective lens diameter: 30mm Levenhuk Atom 8x30 Binoculars are a reliable optical instrument for conducting outdoor observations. Hiking enthusiasts, natural scientists, and anyone who enjoys walking will love these binoculars. The binoculars come in a lightweight shell and provide you with a secure grip; in addition, they do not take up much space in a backpack. The optics provide 8x magnification as well as deliver a sharp and clear image and good visibility. These binoculars use classic Porro prisms. All of the optical elements are made of fully-coated BK-7 glass. The right eyepiece has a diopter adjustment ring that is used for tuning up the optics individually for each customer’s eyesight. Central focusing allows for precise sharpness adjustment. The eyecups are foldable, which makes it convenient for anyone who wears glasses. Although Levenhuk Atom 8x30 Binoculars are a compact optical tool, they are also adaptable to a tripod. Features: Compact water-resistant binoculars Porro prisms and lenses made of fully-coated BK-7 glass Eyepiece diopter adjustment Adaptable to a tripod Excellent choice for walks and hiking trips The kit includes: Binoculars Eyepiece and objective lens protective caps Pouch Strap Cleaning wipe User manual and lifetime warranty Specifications: Magnification, x: 8 Type: Porro prism Optics material: BK-7 glass Optics coating: fully coated Objective lens diameter (aperture), mm: 30 Exit pupil diameter, mm: 3.75 Eye relief, mm: 11 Relative brightness: 14 Field of view, °: 7.5 Field of view, m/1000 m: 132 Close focus, m: 6 Eyepiece diopter adjustment, diopters: ±3 Interpupillary distance (IPD), mm: 58–72 Focusing: central Eyecups: rubber, foldable Body: aluminum Waterproof: yes Adaptable to a tripod: yes Pouch/case/bag in set: yes Additionally: size: compact Usage: General use product. May be used by kids over 3 years old.