Feature: 1. The larger the aperture, the brighter the view, under the same distance, the larger the aperture, the better the brightness of the viewing field. 2. The optical lens adopts high‑definition blue film coating, high‑quality coating, higher light transmittance, 3. Right eye lever type adjustment, which is easy, convenient, precise and accuracy adjustment, 20‑180 times. 4. Convex bean‑type anti‑skid focusing wheel, focusing is easier, without slipping center left eye adjustment method, easy to use. 5. There is a tripod interface at the bottom, and it is more stable to connect to a mobile phone to take pictures and video, which is good for fixed‑point observation at high magnification. Specification: Item Type: BinocularsPrism Material: ВAK4 Protector Material: RubberColor: As Picture ShownBinoculars Size: Approx. 24x20cm/9.4x7.9inWeight: Approx. 1343g/47.4ozModel: 20-180x100 Structure: Binoculars Function Type: Zoom Telescope Purpose: Civilian Telescope Magnification: 20-180X Objective Lens Diameter: 60mm/2.4in Eyepiece Diameter: 18mm/0.7in Lens Coating: FMC Multi-Layer Broadband Blue Film Focusing Method: Center Right Eye Focus Comfortable Distance: 20M~1000M Field of View (m/ degree): 56M 1000M/4.2 degree. Package List: 1 x Binoculars1 x Manual1 x Bracket1 x Cloth1 x Hanging Rope2 Pair x Eyepiece Cover1 x Binoculars Bag Note: Please allow 1‑2cm/0.4‑0.8in error due to manual measurement. Thanks for your understanding.