Detailed Description  1) Magnification: 7X 2) Objective Diameter:18mm 3) Field of view:147m/1000m 4) Exit pupil diameter: 2.6mm  5) Exit pupil distance: 10mm  6) Resolution: 14 inches  7) Prism: BK7  8) Eyepiece: fold down  9) Minimum focal length: 3 to 5m 4) Weight: 50g 5) Colors: red, blue, green, silvery, yellow, metallic, champagne 6) Blue coated or ruby coated  7) Size: 7.5cm x 2.7cm 8) Inner packing: Color box and soft pouch 9) Can be used in golf game