1. Center Focus Compact Zoom Binoculars 10-30x50 fully multi coated with a power range of 10x to 30x power 2. 50mm fully multi-coated objective lens provides bright and clear daytime and night views 3. Conveniently compact, lightweight at just 900 grams 4. It is made up of Bak4 porro prism glass material 5. Includes Pouch, instruction paper, Case, Neck Strap, Cleaning Cloth, Objective Lens Covers, Eyepiece Cover, Color Box 6. All lens and prism are made of optical glass, all optical glass are with FMC coatings. 7. It is made up of environmental friendly rubber which is safe and healthy to use. 8. Full rubber armouring. Tripod adapter fitting 9. Ergonomically notched thumb & finger for secure grip. Dimensions: 140x125x60mm.