Features , Power: 7x, 8x, 10x depending on selection , Objective Diameter: 50/45/50 mm depending on selection , Overall Dimensions: 5.8"x5"x2.2" , Weight: 23 oz. , Frame Material: Polymer , Close Focus Distance: 8 ft. , Exit Pupil: 4.3/5.3 mm , Eye Relief: 16/19.5mm , Eye Relief Type: Twist up , FOV at 1000 yds.: 367/435/330 ft. , Prism Coating: N/A , Prism Glass Type: BaK-4 , Lens Coating Type: Full-multi , Waterproof / Fogproof , Nitrogen Filled , Tripod compatible , Warranty Type: Limited Lifetime