Brand:Kelongda
Quantity:40000
Send Inquiry
Product Code 20-60x68Magnification 20-60x
Effective diameter of objective lens F68mm
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 F3.4- F1.15
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)
