Product Code | 16—48x68 |
Magnification | 16~48X |
Effcetive diameter of objective lens | ф68mm (ED) |
Objective lens focal length | 423.08mm |
Zoom eyepiece focal length | 26.1mm~8.83mm |
Objective lens structure(#Elements/#Groups) | 2⁄2 |
Zoom eyepiece lens structure(#Elements/#Groups) | 7⁄4 |
Focusing system | intemai porro prism focusing with dual focusing device |
Field of View | 2.5°~1.25° |
Apparent Real field of View | 40°~60° |
Field of View at 1000m/1000yds | 43.5m~21.5m/130ft~65ft |
Eye relief | 19.4mm~17.8mm |
Exit pupil | ф4.2mm~ф1.4mm |
Twilight factor | 33~57.1 |
Minimum focusing distance | 5m |
Zoom eyepiece focal length | 88mm ( No dust cap ) |
Zoom eyepiece focal weight | 220g ( No dust cap ) |
main body length | 355mm ( No dust cap ) |
main body weight | 1270g ( No dust cap ) |