Our products are sold worldwide and are highly regarded. We have very high quality standards for our products, if you have any questions about our products, please contact us. We will reply within 24 hours. Specifications: 832 × 50 Objective Diameter: 50mm Prism Category: bak4 Size: 210x200 mm Weight: 902 g total weight 1125 g FOV 3.81.6 When the field line 8 times 66m / 1000m; 20 times 28m / 1000m Exit Pupil Diameter: 5.761.45mm Exit pupil distance: 24.215mm Resolution: 5.85 arc seconds Relative brightness: 33.182.11