HD Binoculars FMC Coating Wide Angle Nitrogen Filled Waterproof Hollow Structure 8 X 42 Binoculars

Feature: 1. Large Aperture Objective Lens: The objective lens Diameter of the telescope is 42mm, which can collect more light and make the image brighter and clearer. 2. Hollow Structure: This design makes the optical axes of the telescope more stable, more comfortable to hold, and can be operated with one hand. 3. Quick Adjustment: The focal length of the telescope can be adjusted with one finger, eliminating the need for tedious diopter adjustment. 4. Anti Slip: The outer leather of the telescope is rubber leather, which is textured and non slip, and has a good hand feeling. 5. Convenient to Watch: Those who wear glasses can use the binoculars directly, and those who do not wear glasses turn on the blindfold to watch more comfortably. It is an excellent choice for activities such as theaters, concerts and outdoor tourism. 6. High Transmittance: FMC green film has high light transmittance, which effectively improves the light transmittance and ensures that the scenery you see is clear and bright. 7. Thoughtful Design: The BK7 roof prism structure maintains a compact body, and the foldable design and waterproof treatment make the telescope more practical. Specification: Item Type: HD Binoculars Material: Rubber, optical glass Product Size: Approx. 120 x 155 x 55mm 4.7 x 6.1 x 2.2in Magnification: 8X Objective Lens Diameter: Approx. 42mm 1.7in Eyepiece Diameter: Approx. 18mm 0.7in Unilateral Eyepiece: 4 elements in 3 groups Single Sided Objective: 3 elements in 2 groups Prism: 16.5 ridgeBK7 Coating: FMC broadband anti reflection coating Field of View Angle: 8.2 degrees Exit Pupil Distance: Approx. 15mm 0.6in Exit Pupil Diameter: Approx. 5.2mm 0.2in Whether Waterproof: Yes. Package List: 1 x HD Binoculars1 x Strap1 x Cleaning Cloth1 x Storage Bag