Adasion HD 12x42 Binoculars - Your Thousand-Mile Eye 1. Advantages and key f+eatures Larger image, clearer details - 18mm large eyepiece, comfortable Large view. Brighter view, HD vison - 16.5mm big BAK4 prism lens Enjoy Photographing, Capture Beauty - Quick alignment phone adapter, Compatible with phone case, stable and portable Clear Weak Light Vision - Aspherical Lenses and Multi-layer Coating Use with or without glasses - Adjustable eye-cups twists up and down for comfortable viewing Compatible with tripod - Designed with 1/4"-20 threads to connect a tripod with your binoculars. 2.Specifications: - Magnification Power: 12x - Objective Diameter: 42mm - Eyepiece Diameter: 18mm - Roof Prism Lens: 16.5mm / BAK4 - View Angle: 6.9° - Field of View: 367ft / 1000yards - Interpupillary Distance: 55-74mm - Mini Focus Distance: 2.5m/8.2ft - Waterproof: yes - Product Weight: 1.25lbs. / 567g - Eye Cups: Twist up 3.Packing list: 1x Binoculars 1x Smartphone Adapter 1x Carrying Bag with Strap 1x Eyepiece Lens Covers 2x Objective Lens Covers 1x Cleaning Cloth 1x Neck Strap 1x Instruction Manual 1xWarranty Card 4.Warning: - Do not use binoculars to observe the sun 5.Note: - If any questions about the compatibility of phone adapter, just contact us, we will send you a compatible one. If any - Adasion 12x42 binoculars can clear weak light vision at night, but not in complete darkness.