1. Prism type: BAK-4 2. Magnification: 20 times 3. Eyepiece diameter: 24 mm (super large eyepiece design) 4. Objective lens diameter: 50 mm 5. Viewing angle: 8.2 degrees 6. Minimum focusing distance: 5.0 meters 7. Exit pupil diameter: 4.1 mm 8. Viewing distance: 17 mm 9. Relative brightness: 25 10. Bright field of vision, clearly visible 11. Good nitrogen filling and waterproof performance 12. Rubber protective film, non-slip and anti-drop 13. Dimensions: 190X175 mm 14. Weight: 790 grams Delivery list: backpack, lanyard, objective lens cover, eyepiece cover, lens cloth, dryer, outer packing box
1. 棱镜类型:BAK-4 2. 放大倍数:20倍 3. 目镜口径:24毫米(超大目镜设计) 4. 物镜口径:50毫米 5. 视角:8.2度 6. 最小对焦距离:5.0米 7. 出瞳直径: 4.1毫米 8. 视距:17毫米 9. 相对亮度:25 10. 视野明亮,清晰可见 11. 充氮防水性能好 12. 橡胶护膜,防滑防摔 13. 尺寸:190X175毫米 14. 重量:790克 发货清单:背包、挂绳、物镜盖、目镜盖、镜头布、干燥机、外包装盒
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