20X80 Astronomy Binoculars for Adults, Outdoor Waterproof Binoculars for Bird Watching Travel Stargazing

• Customization: Available
• After-sales Service: 2 Years
• Warranty: 2 Years
• Model NO.: YBP25 20x80
• Type: Binoculars
• Magnification: 20X
• Function: Waterproof, Fogproof, Night Vision
• Usage: Astronomical, Gift, Bird Watching/Hunting, Toy, Travel
• Structure: Refractor Telescope
• Lens Type: Prime Lens
• Lens: Glass
• Objective Aperture: 30~50mm
• Focusing Type: Center Focusing
• Aperture: 50-100mm
• Objective Lens Diameter(mm): 80
• Eyecups System: Fold Down
• Eye Relief (mm): 17.5
• Near Focus: 15m
• Material: /
• Certification: CE, FCC
• Customized Support: OEM, ODM, Obm
• Interpupillary Distance(mm): 54-72
• Exit Pupil Diameter: 4mm
• Model: Ybp25 20X80
• Weight (G): 2400
• Transport Package: /
• Specification: /
• Trademark: Hollyview
• Origin: Sichuan, China

Product Description

20x80 Astronomy Binoculars for Adults, Outdoor Waterproof Binoculars for Bird Watching Travel Stargazing

 

 

Product Description

80mm Large Objective LensThe field of view is wider with 80mm large lens than it is with 70mm. In low-light and long-range situations, 80mm fully multi-coated lens and BAK4 prisms ensure greater light transmission, bringing you crystal clear views with higher contrast and less color errors and distortions. 20X MagnificationThe astronomy binoculars feature large 80mm objective lens and powerful 20x magnification. They are ideal for long-distance observation of land-based subjects or night-time astronomical observations. Waterproof BinocularsThe rugged armored housing protects your binoculars from damage and provides a secure gripping surface for long time to use. The waterproof exterior means you don't have to worry about being caught in an unexpected rainstorm. Easy to Setup & CarryThe astronomy binoculars are easy to use and only need to be adjusted using the central focus wheel. 177ft field of view at 1000 yards offers you a wider field of view. The binoculars come with a bag for easy carrying. Perfect for bird watching, travelling, stargazing and hunting Built-in Tripod AdapterBuilt-in tripod mount makes the binoculars perfect for viewing distant objects, even the sky, you can mount your 80mm binoculars on any conventional photographic tripod. Tripod adapter for steady, hands-free viewing; stabilises your view for added comfort and shake-free viewing. BAK4 Prism BAK4 is higher quality glass yielding brighter images and high edge sharpness. Waterproof & Fogproof O-ring sealed for complete waterproof protection,so no worries if dropped into the water. 177ft Field of View 177ft field of view at 1000 yards gives you a wider field of view. Easier to see fast moving objects.

 

Product Specifications

MODELS	15X70 NS	25X70 NS	20X80 NS	30X80 NS
Focus system	Center	Center	Center	Center
Magnification	15x	25x	20x	30x
OBJ.LENS DIA.	Φ70mm	Φ70mm	Φ80mm	Φ80mm
TYPE OF PRISM	Porro/BAK4	Porro/BAK4	Porro/BAK4	Porro/BAK4
Number of Elements & Group	6 elements/4 groups	7 elements/4 groups	6 elements/4 groups	7 elements/4 groups
Coating	FMC	FMC	FMC	FMC
Field of View\ Angle	4.4°	2.6°	3.4°	2.4°
M / 1000 M	77M	46M	59M	42M
FT / 1000 Yds	231FT	138FT	177FT	126FT
Exit-pupil Diameter	Φ4.6MM	Φ2.9MM	Φ4MM	Φ2.7MM
Eye Relief	17.5MM	15.3MM	17.5MM	15.3MM
Near Focus	12M	18M	15M	20M
Eyecups System	Fold Down	Fold Down	Fold Down	Fold Down
Interpupillary Distance	54MM 72MM	54MM 72MM	54MM 72MM	54MM 72MM
Waterproof	yes	yes	yes	yes
Nitrogen Filled	yes	yes	yes	yes
Pouch	EV	EV	EV	EV
Cleaning Cloth	yes	yes	yes	yes
Strap	yes	yes	yes	yes
Silica Gel	NO	NO	NO	NO
Product Dimensions	275x215x80	275x215x80	325x230x98	325x230x98
Product Weight	1623g	1635g	2400g	2450g

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Packaging Process

We provide our customers with safety and solid product package for cross-border long-distance transportation.

Package order: Color box, Corrugated Brown Box, Sturty 3-layer Inner Carton and 5-layer Master Carton