Product Code | 20-60x68 |
Magnification | 20-60x |
Effective diameter of objective lens | 68mm |
Objective lens focal length | 432.08 |
Zoom eyepiece focal length | 21.4-7.24mm |
Objective lens structure(#elements/#groups) | 2/2 |
Zoom eyepiece lens (#elements/#groups) | 7/4 |
Focusing system structure | Intemai Porro Prism focusing with dual focusing device |
Field of view | 2°-1° |
Apparent Real field of view | 40°-60° |
Field of view at 1000mm/1000yds | 35m-17.5m/105ft-52.5ft |
Eye relief | 15.7-14.7mm |
Exit pupil | 3.4- 1.15 |
Twilight factor | 36.9-63.9 |
Minimum focusing distance | 5m |
Zoom eyepiece focal length | 77mm(Not including the Dust Cover) |
Zoom eyepiece focal weight | 165g(Not including the Dust Cover) |
Main body length | 385mm(Not including the Dust Cover) |
Main body weight | 1270g(Not including the Dust Cover) |