產品資訊 - High Power 20-60X68 Spotting Scopes->Binoculars

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kunming kelongda kptical instrument co., ltd

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High Power 20-60X68 Spotting Scopes

產品分類 :

攝影及光學產品->顯微鏡->雙筒望遠鏡

產品規格

Model No:	20-60x68ED

Country	CN
Size	385(Not including the Dust Cover) millimeters
Weight	1270g(Not including the Dust Cover)
Color	Green
Packing	Neutral Package
Minimum Order	15pcs
Payment Term	T/T/West Union/Paypal

產品描述

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)

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