BM-5139A 8X40 Binoculars

Model:8x40WA
Mărire:8X
Objective lens diameter (mm): 40mm
Diametrul pupilei de ieșire (mm):5mm
Relative brightness:25
Twilight factor:17.9
Ușurarea ochilor (mm):16
Câmp de vizualizare， real （degree）:8.0°
Câmp de vizualizare， apparent （degree） 64°
Câmp de vizualizare，real (m / 1000 M ):141M
Câmp de vizualizare，real ( ft / 1000 yds):423FT
Close focusing distance (m):4.5
Compensarea dioptriilor (dpt):±5
Distanța interpupilară:58 ～72mm
Sistemul de prisme: Mai departe
Prism glass: BAK7
Objective lens structure :2 elements/ 1 grupuri
Eyepiece lens structure:3 elements/ 2 grupuri (aspherical lens)
Lens and prism coating: FMC
Eyecups style: Twist-Up
Waterproof Water Resistant
Adapt to Tripod: da
Dimensiuni (HxWxD) (mm):190x140x60
Greutate (g):635