Description: Objective Diameter: 21mm. Field of View: 101m/1000m. Eye Relief: 10mm. Exit Pupil Diameter: 2.625mm. Minimum Focus Distance: 3m. Focus System: Center. Prism System: Roof prism. Eye cups: Fold down. Coating Type: Fully coated. Waterproof/Fogproof: No. Color: Black. Net Weight: 200g (APPROX). Unit Measurement: 11x6.5x4 cm. Material: Rubber, plastic, aluminium alloy, glass.