BM-5139B 7X50 Binoculars

Model:7×50
Vergroting:7x
Objektiewe lensdiameter (mm):50mm
Verlaat pupil deursnee(mm):6.5mm
Relative brightness:42
Twilight factor:18.7
Oogverligting (mm):16
Gesigsveld，real （degree）:6.5°
Gesigsveld，apparent （degree）:46°
Gesigsveld，real (m / 1000 M ):114M
Gesigsveld，real ( ft / 1000 yds):342FT
Close focusing distance (m):5 m
Diopter compensation (dpt):±5
Interpupillary distance(mm):58 ～72
Fokus stelsel:Sentrum
Prisma stelsel:Verder
Prisma glas:BAK7
Objective lens structure :2 elements/ 1 groups
Eyepiece lens structure :3 elements/ 2 groups (aspherical lens)
Lens and prism coating: FMC
Eyecups style: Twist-Up
Waterdig:Water Resistant
Adapt to tripod:Ja
Afmetings (HxWxD) (mm):190x140x60
Gewig (g):635