12X50 Outdoor Long Distance Porro Binoculars (BM-5109D)

• Type: Binocular
• Magnification: 12X
• Function: Waterproof, Wide Angle
• Usage: Gift, Travel
• Lens Type: Prime Lens
• Lens: Glass
• Model NO.: BM-5109D
• Objective Aperture: >50mm
• Focusing Type: Center Focusing
• Aperture: <50mm
• Prism Type: Porro/Bak4
• Transport Package: Color Box
• Trademark: OEM
• Origin: China
• Production Capacity: 10000PCS/Month

Product Description

12X50 outdoor long distance porro binoculars(BM-5109D) 

 

Magnification	12
Objective diameter(mm)	50mm
Prism Type	Porro/BAK4
Number of Lens	8 pcs/5groups
Lens Coating	FMC
Angle of View	5°
Field of View	87m/1000m,262ft/1000yds
Exit Pupil Diameter(mm)	4.2mm
Eye Relief(mm)	18.57mm
Relative Brightness	17.64
Twilight Index	84.84
Interpupillary Distance	54mm-73mm
Resolution	≤4"
Near Focus	10m
all weather	Yes
shockproof and waterpoof	Yes
Nitrogen filled	Yes
Eyecup system	fold down