12x42 Roof Prism Binoculars for Adults, HD Professional Campact Binoculars for Bird Watching Travel Hunting Sports Concerts- BAK4 Prism FMC Lens with Strap Carrying Bag;

Why do you choose Aiqiying Binoculars?
★ 12x high power prism provides maximum HD image clarity.
★ 42mm Fully multi-layer coatings green film objective wide lens provides bright and large field of view.
★ BAK4 prism and FMC optical coating technology provides the brightness and color fidelity you need.
★ Smooth right diopter adjustment knob provides a clear vision even with different sight ability.
★ Abrasion resistant & durable rubber armor with a unique non-slip design is easy to protect the binoculars and shockproof. Its tight fitting protection makes it usable to withstand the toughest weather conditions.
★Filled waterproof and O-ring sealed design, structure with waterproof ring, achieving the effect of waterproof and fogproof.

How to use your binoculars
1. Adjust the center-focus focus until the left sight clearly.
2. Adjust the right eye lens until get one image.
3. Adjust the barrels until getting a single circular field.

Specifications:
Magnification: 12x
Object diameter: 42mm
Eyepiece diameter: 23mm
Prisms: BK-4
Ocular coating: FMC -green
Diameter of exit pupil: 21mm
Distance of exit pupil: 15mm
Interpupillary distance:56mm~74mm
View of field: 94m/1000m(300ft/1000yds)
Mini focus length: 2m
Product size: 5.7"x4.9"x1.95"(14.5cm*12.5cm*5cm)
Product weight: 1.55 lb(0.7kg)
Material: Metal and natural rubber
Water resistant and fog resistant: Yes
Object lens: Fully optical glass lens

Package Content
1x Binoculars
1x Carrying bag
1x Eyepiece covers
2x Lens Covers
1x Cleaning Cloth
1x Neck Straps
1x Manual

Tips:
1. Don't look direct to the sun for avioding eye hurts.
2. keep it dry for long time idle,clean it with dry cloth or alcohol.