8x21 Pocket Binoculars Folding HD Optical Compact Binoculars for Bird Watching Concert Theater

Feature: 1. RESTORE TRUE COLOR: Pocket binoculars uses BK7 plus with FMC coating high light transmission, the image is clear and transparent, restoring true colors. 2. ROOF PRISM STRUCTURE: Compact binoculars use the roof prism structure to maintain a compact body. The folding design is more adaptable. 3. EASY TO CARRY: 8x21 binoculars are more compact and lightweight after storage, equipped with storage bag shoulder strap, easy to carry, travel with no burden. 4. APPLICABLE SCENES: Small pocket binoculars are an excellent choice for theater, concerts and outdoor travel, providing a clear picture with no dead angle. 5. COMFORTABLE GRIP: Folding binoculars use soft surface finish with stylish appearance, comfortable grip. Children " s exploration and discovery is more fun. Specification: Item Type: Pocket Binoculars Material: Rubber, Optical Glass Magnification: 8X Objective Lens Diameter: Approx. 21mm0.8in Eyepiece Diameter: Approx. 16.5mm0.6in Single Sided Eyepiece: 2 Groups Of 3 Pieces Single Sided Objective Lens: 1 Group Of 2 Pieces Prism: Roof BK7 Coating: FMC Optical System: Pure Optical System Field Of View: 6.5 Degree Line Field Of View: 126m At 1000 M, 378ft At 1000yds Pupil Distance: Approx. 9.5mm0.4in Pupil Diameter: Approx. 2.6mm0.1in Nearest Distance: Approx. 2m6.6ft Pupil Distance: Approx. 36-74mm 1.4-2.9in Product Weight: Approx. 230g8.1oz Product Expansion Size: Approx. 115x36x97mm 4.5x1.4x3.8in. Package List: 1 x Pocket Binoculars1 x Carrying Strap1 x Cleaning Cloth1 x Storage Bag Note: Please allow some error due to manual measurement.