BM-5139A 8X40 Binoculars

Modèl:8x40WA
Agrandisman:8x
Dyamèt lantiy objektif (mm): 40mm
Sòti dyamèt elèv (mm):5mm
Relative brightness:25
Twilight factor:17.9
Soulajman nan je (mm):16
Jaden de vi， real （degree）:8.0°
Jaden de vi， apparent （degree） 64°
Jaden de vi，real (m / 1000 M ):141M
Jaden de vi，real ( ft / 1000 yd):423FT
Close focusing distance (m):4.5
Konpansasyon dyopt (dpt):±5
Distans entèppillè:58 ～72mm
Prism sistèm: Pli lwen
Prism vè: 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
Waterproof Water Resistant
Adapt to Tripod: Wi
Dimensions (HxWxD) (mm):190x140x60
Pwa (g):635