Function:<br> 1. The larger the aperture, the brighter the image, from the same distance, the larger the aperture, the better the brightness of the field of view.<br> 2. The optical lens adopts high-definition blue coating, high-quality coating, higher light transmittance,<br> 3. Right eye lever type adjustment which is easy, convenient, precise and accurate, 20-180 times.<br> 4. Non-slip bean convex focus knob, focusing is easier, no slip left middle eye adjustment method, easy to use.<br> 5. There is a tripod connector at the bottom, and the connection to the mobile phone for taking photos and videos is more stable, which is good for observation at a fixed point under high magnification.<br> Specification:<br> Item Type: Binoculars<br> Prism material: AK4<br> Protective material: rubber<br> Color: as shown in the picture<br> Binoculars Size: Approx. 24 x 20 cm / 9.4 x 7.9 inch<br> Weight: approx. 1343g / 47.4oz<br> Model: 20-180x100<br> Structure: binoculars<br> Function type: telescope with zoom<br> Purpose: civilian telescope<br> Magnification: 20-180X<br> Objective lens diameter: 60mm / 2.4in<br> Eyepiece diameter: 18mm / 0.7 inch<br> Lens Coating: Multi-layer wideband blue FMC film<br> Focusing method: central right eye<br> Convenient distance: 20m ~ 1000m<br> Field of view (m / degree): 56M 1000M / 4.2 degrees<br> Package list:<br> 1 x binoculars 1 x user manual<br> 1 x bracket<br> 1 x cloth<br> 1 x hanging rope<br> 2 pairs x eyepiece cover<br> 1 x binoculars bag