BM-5139A 8X40 Binoculars

Hi'oraa:8x40WA
Te faarahiraa:8x
Objective lens diameter (Te mau mana'o tauturu no te): 40Te mau mana'o tauturu no te
Te mau mana'o tauturu no te haapiiraa (Te mau mana'o tauturu no te):5Te mau mana'o tauturu no te
Te mau mana'o tauturu no te haapiiraa:25
Twilight factor:17.9
Te tamǎrûraa i (Te mau mana'o tauturu no te):16
Te vahi no te mata'ita'iraa， real （degree）:8.0°
Te vahi no te mata'ita'iraa， apparent （degree） 64°
Te vahi no te mata'ita'iraa，real (m / 1000 M ):141M
Te vahi no te mata'ita'iraa，real ( Te mau mana'o tauturu no te / 1000 Te mau nota):423FT
Close focusing distance (m):4.5
Te mau nota (dpt):±5
Te atearaa i rotopu i te mau nunaa:58 ～72mm
Prism system: Porro
Prism glass: 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
Faaau ia outou i te hoho'a: E
Dimensions (HxWxD) (Te mau mana'o tauturu no te):190x140x60
Te faito teiaha (g):635