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10x42 ED HD Binoculars Roof Waterproof For Bird Watching Travel Stargazing

Categories ED Binoculars
Place of Origin: China
Brand Name: OEM, ODM All Available
Certification: CE,FC,RoHS
MOQ: 1
Delivery Time: 3~7
Payment Terms: T/T. L/C, Western Union, Money Gram
Supply Ability: 30000PCS/Month
Type: 10x42 ED Binoculars
Material: Magnesium Aluminum
Close focus: 2.0m
Eye relief: 14.1mm
Prism: Roof Bak 4 Prism
Field angle: 6.5 °
Magnification: 10x
Objective lens diameter: 42mm
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10x42 ED HD Binoculars Roof Waterproof For Bird Watching Travel Stargazing

10x42 ED Binoculars Roof Waterproof For Bird Watching Travel Stargazing


Parameter:


BODY STYLE
SEMI-AROMATIC THERMOPLASTIC BODY
POWER
8 X ± 5%
OBJECTIVE DIAMETER
Φ 42mm ± 1 mm
FEILD ANGLE
6.8 ° ± 5%
FIELD OF VIEW(at 1000m/at 1000yds.)
118m / 354ft.
EXIT PUPIL DIA.
Φ5.25mm ±10%
NEAR FOCUS
2.5m
EYE-RELIEF
17.2mm
RELATIVE BRIGHTNESS
18.3
OBJECTIVE LENS:
4E3G
OCULAR LENS:
3E2G
LENS TYPE:
SPHERICAL LENS
PRISM:
ROOF
OPTICAL MATERIAL
ALL SPHERICAL LENS AND PRISM ARE MADE OF OPTICAL GLASS
PRISM MATERIAL:
BaK4
COATING CONDITION
ALL LENS - FULLY COATED
SURFACE TREATMENT
PAINT / RUBBER
RESOLVING POWER
5.7 ”
FOCUSING SYSTEM
CENTER FOCUS
FOCUSING ADJUSTMENT
-4 TO +8 DIOPTER
OCULAR ADJUSTMENT
-4 TO +4 DIOPTER
ADJUSTABLE EYE PUPIL
56--74mm

Features:


* Extra-Low Dispersion (ED) objective lenses provide high resolution, high contrast images that are virtually free of optical defects like chromatic aberration (color fringing).


* Fully multi-coated optics deliver maximum light transmission through the optical path.


* Phase coated BaK-4 prisms produce vivid, true-to-life colors.


ED (Extra-low Dispersion) Glass lenses
ED glass ED glass gives you an image with little or no chromatic fringe so the final result brings a clearer and sharper image to your eyes, and provide light scattering, with an Abbe refractive index of 90.3; ED glass improves resolution and color fidelity, resulting in clear and sharp images. Multi-layer broadband coating ED lens technology provides more than 98.9999% light transmittance through binoculars.


Best Mgnification and Comfortable
This 10x42 binoculars has a superb maginifcation of 10X with 4 pieces and 3 groups lens. High-profile eyepieces make the field of view free from distortion and morecomfortable viewing. The carrying case allows for protective storage and easy portability when travelling.


High Quality - BaK4 prism & FMC optical glass
High refractive index and complete reflection of light bring clearer view. Fully multi-coated optical elements help to obtain high-resolution and high-contrast views, while prisms made of BaK-4 glass will provide you with enhanced color fidelity. Use our high-resolution binoculars to enjoy clear, detailed views and reliable performance.


Rubber Armor Waterproof and Fogproof and Shock Proof
Rubber Armor provides durable and secure, non-slip soft texture grip for any weather condition. Durable body completely to prevent moisture, dust and debris from entering the optics. 100% waterproof, O ring sealed and nitrogen purged for reliable, fog free performance.


Quality 10x42 ED HD Binoculars Roof Waterproof For Bird Watching Travel Stargazing for sale
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