Wholesale Optical Instruments Large Aperture 15X Binoculars Bak4 Prism High Transmittance Binoculars for Sale

• After-sales Service: 1 Year
• Warranty: 1 Year
• Type: Binocular
• Function: Waterproof, Fogproof
• Usage: Astronomical, Gift, Bird Watching/Hunting, Toy, Travel
• Structure: Refractor Telescope
• Model NO.: 15X50
• Lens Type: Prime Lens
• Lens: Glass
• Objective Aperture: 30~50mm
• Focusing Type: Internal Focusing
• Aperture: <50mm
• Body Material: Aluminium Alloy
• Armor Material: NBR+PVC
• Color: Black
• Exit Pupil Distance: 18mm
• Relative Brightness: 25
• Transport Package: Independent Box Packing
• Specification: 190X60X177
• Trademark: Kunguang
• Origin: China
• HS Code: 9005100000
• Production Capacity: 80pieces/Month

Product Description

Product Parameters

   

Product Type		15×50
Magnification		15×
Body  material		aluminium alloy
Armor material		NBR+PVC
Color		Black
Resolution		≤5.6″
Objective lens Ø		Φ50 ± 1mm
Ocular lens Ø		Φ22 ± 1mm
Exit pupil Ø		Φ4mm ± 10%
Exit pupil distance (mm)		18mm
Twilight factor acc. to DIN 58388		22.36
Relative Brightness		25
Field of view (°)		4°
Field of view (at 1000M)		70m
Field of view (at 1000yds)		210ft
Near focus		9m
Diopter system		Right diopter ring
Interpupillary distance		52~73mm
Focus System		Center Focus
Focusing lens		Focusing eyepiece
Diopter compensation		-4 To +4 Diopter
Focusing Adjustment		-4 To +4 Diopter
Prism System		Paul prism
Prism Glass Material		BaK4
Optical Configuration	Objective lens	2E1G
	Ocular lens	4E3G
	Lens Type	Spherical Lens
Optical Material		All optical glass
Lens coating	Coating Condition	Eyepiece, objective plated single broadband green film, blue film rest
	Coating Spec.	420-680nm,R<0.5%(AVG) 420-680nm,R<1.0%(ABS) blue film 550nm(MGF2)
Prism coating	Coating Condition	Blue film
	Coating Spec.	550nm(MGF2)
	Coating Condition
	Coating Spec.
SystemTransimission		≥ 70%
Water/Fogproof		Yes        No
Gas Filled		Nitrogen   Other
Eye cup	Type	Twist up   Fold down
	Material	NBR
Eye caps	Type	Siamese-style  Monobloc   Other
	Material	NBR+PVC
Obj. Cover	Type	Siamese-style  Monobloc   Other
	Material	NBR+PVC
Adapt to tripod		Yes        No
Strap		Yes        No
Soft case	Type	Neutral     Proprietary  Other
	Material	1200D Oxford cloth
Strap	Type	Neutral     Proprietary  Other
	Material	25mm Wide Ribbon
Cleaning cloth		Yes        No
Instruction manual		Yes        No
Packaging		Yes        No
Size(Length×Width×Height)		190x60x177mm
Weight approx		925g

 

Product Description

 

 

 

Our Advantages

1. Kunming KunGuang Photoelectric Technology Co., Ltd is a company specializing in the production and sales of telescope located in Kunming, China.
2. We specialize in the research and development, production and sales of telescopes and night vision devices, covering various types of binoculars, monocular, cell phone telescopes, post telescopes, microlight night vision devices, microlight scopes and so on.
3. We providing OEM and ODM services. Customized packing and logo printing available.
4. Our advantages are: strong supply capacity, stable product quality, fast delivery time and perfect after-sales service.
5. Professional business support and swift response

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