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Discovery Basics binoculars BB 8x21 roof crystals. Magnification: 8x. Objective Lens Diameter: 21mm The Discovery Basics BB 8x21 is a small roof prism-based binocular that you can take with you whenever you want. The device is small enough to easily fit in a bag pocket or compartment. Although the image is small, it is clear and clean, and environmental monitoring can be done at 8 times the scale. No need to use a stator: the hand-held view is completely stable. The binoculars have a wide field of view and can be used to observe groups of objects or moving targets. The central focus wheel is used to adjust the focus. The minimum impact distance must be 3 meters. Due to the non-slip surface of the case, the binoculars are comfortable and safe to hold. Key features: Ultra-small folding design Magnify 8 times: wide field of view Minimum focus distance is only 3 meters It is a great choice for daily observation. Binoculars Simple cleaner Instructions for use and warranty card Technical data Type: roof prism Magnification, times: 8 Objective lens diameter (aperture), mm: 21 Exit pupil diameter, mm: 2.6 Exit pupil distance, mm: 11 Field of view, m/ 1000 m: 122 Short macro distance, m: 3 Eyepieces, mm: adjustable Focus adjustment: central field of view, °: 7 Grinder and/or bag: cover Use: travel Size: small size
