Dia6.35mm AR Coated N-BK7 High Precision Window Optical N-BK7 Window Video

Name: Dia6.35mm AR Coated N-BK7 High Precision Window Optical N-BK7 Window
Uploaded: 2026-01-05T05:41:35+08:00
Description: Product Description N-BK7 Precision Windows – standard grade summary 1. Optical ? Refractive index: n_d = 1.5168 @ 587.6 nm (d-line, 23 °C) ? Abbe number: ν_d = 64.2 → low chromatic aberration ? Inter

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Price

Purchase Qty. Reference FOB Price

1-99 Pieces US$1.10

100+ Pieces US$0.60

Sepcifications

After-sales Service Repair, Replace, Refund
Warranty 3-Year
Material Glass
Shape Plano
Application Medical, Civil, Labs, Astronomical
Transport Package Carton, Blister, Customized
Specification Customized
Trademark Band-Optics
Origin China
Type N-Bk7 Window
Dimension Customized, From 2mm to 1200mm
Thickness Customized, From 0.17 to 50mm
Dimension Tolerance up to 0.02mm
Thickness Tolerance up to 0.02mm
Parallelism up to 3arcmin
Flatness up to 1/10L PV@633nm
Surface Quality up to 10-5
Clear Aperture >90% Centered
Coatings Ar Coating From UV-IR
Lidt >15j/Cm2@1064nm, 10ns, 10Hz
Certification RoHS, ISO9001
Usage Optical, Imaging, Medical, Industrial, Lab
Bevel Break Sharp Edges
OEM Available

Product Description

Product Description N-BK7 Precision Windows – standard grade summary 1. Optical ? Refractive index: n_d = 1.5168 @ 587.6 nm (d-line, 23 °C) ? Abbe number: ν_d = 64.2 → low chromatic aberration ? Internal transmittance: ≥ 99.5 % per 10 mm thickness, 400–700 nm ? Useful range: 350 nm – 2.5 μm ...

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Band Optics Technology

Diamond Member Since 2025

Audited Supplier

Main Products Optical Lens, Infrared Lens, Optical Window, Laser Lens, Optical Mirror, Optical Filter, ...
Address B1-05-3 Jiangning E-Commerce Industrial Park, No. 52 Tianyuan East Road, Jiangning District, Nanjing City, Jiangsu Province, Nanjing, Jiangsu, China
Main Markets North America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
International Commercial Terms(Incoterms) FOB, CIF
Terms of Payment T/T
Average Lead Time Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays

Optical Window Comparison

	Dia6.35mm AR Coated N-BK7 High Precision Window Optical N-BK7 Window Contact Now	Quick View High-Performance Sapphire Glass Lens for Aerospace and Aviation Instruments Contact Now	Quick View Anti-Static Sapphire Glass Lens Preventing Dust and Particle Attachment Contact Now	Quick View High-Transparency Sapphire Glass Lens for True Color Reproduction Contact Now	Quick View Luxury Frosted Sapphire Glass Lens for Subtle and Elegant Appearance Contact Now

Transaction Info
	Dia6.35mm AR Coated N-BK7 High Precision Window Optical N-BK7 Window Contact Now	Quick View High-Performance Sapphire Glass Lens for Aerospace and Aviation Instruments Contact Now	Quick View Anti-Static Sapphire Glass Lens Preventing Dust and Particle Attachment Contact Now	Quick View High-Transparency Sapphire Glass Lens for True Color Reproduction Contact Now	Quick View Luxury Frosted Sapphire Glass Lens for Subtle and Elegant Appearance Contact Now
Price	US$0.60-1.10 / Piece	US$1.00-100.00 / Piece	US$1.00-100.00 / Piece	US$1.00-100.00 / Piece	US$1.00-5.00 / Piece
Min Order	1 Piece	1 Piece	1 Piece	1 Piece	1 Piece
Payment Terms	T/T	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Quality Control
Product Certification	RoHS, ISO9001	ISO9001	ISO9001	ISO9001	ISO9001
Management System Certification	-	ISO9001:2015, ISO14001	ISO9001:2015, ISO14001	ISO9001:2015, ISO14001	ISO9001:2015, ISO14001
Trade Capacity
Export Markets	North America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe	Domestic	Domestic	Domestic	Domestic
Annual Export Revenue	-	-	-	-	-
Business Model	-	ODM, OEM	ODM, OEM	ODM, OEM	ODM, OEM
Average Lead Time	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays	Peak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays, one month	Peak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays, one month	Peak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays, one month	Peak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays, one month
Product Attributes
Specification	After-sales Service: Repair, Replace, Refund; Warranty: 3-Year; Material: Glass; Shape: Plano; Application: Medical, Civil, Labs, Astronomical; Type: N-Bk7 Window; Dimension: Customized, From 2mm to 1200mm; Thickness: Customized, From 0.17 to 50mm; Dimension Tolerance: up to 0.02mm; Thickness Tolerance: up to 0.02mm; Parallelism: up to 3arcmin; Flatness: up to 1/10L PV@633nm; Surface Quality: up to 10-5; Clear Aperture: >90% Centered; Coatings: Ar Coating From UV-IR; Lidt: >15j/Cm2@1064nm, 10ns, 10Hz; Usage: Optical, Imaging, Medical, Industrial, Lab; Bevel: Break Sharp Edges; OEM: Available;	Warranty: 30days; Material: Optical Glass; Shape: Single-Lens; Application: Medical, Civil, Labs; Usage: Optical; Type: Flat Lens; Transmittance: >95%; Lenses Color: Clear; Customized: Customized; Coating: UV; Hardness: Mohs Hardness of 9; Material Type: Synthetic Sapphire Glass; Density: 3.98 G/Cm³; Refractive Index: 1.761.77 (@589nm); Polishing Grade: Optical (Ra<5nm)/Commercial (Ra<20nm);	Warranty: 30days; Material: Optical Glass; Shape: Single-Lens; Application: Medical, Civil, Labs; Usage: Optical; Type: Flat Lens; Transmittance: >95%; Lenses Color: Clear; Customized: Customized; Coating: UV; Hardness: Mohs Hardness of 9; Material Type: Synthetic Sapphire Glass; Density: 3.98 G/Cm³; Refractive Index: 1.761.77 (@589nm); Polishing Grade: Optical (Ra<5nm)/Commercial (Ra<20nm);	Warranty: 30days; Material: Optical Glass; Shape: Single-Lens; Application: Medical, Civil, Labs; Usage: Optical; Type: Flat Lens; Transmittance: >95%; Lenses Color: Clear; Customized: Customized; Coating: UV; Hardness: Mohs Hardness of 9; Material Type: Synthetic Sapphire Glass; Density: 3.98 G/Cm³; Refractive Index: 1.761.77 (@589nm); Polishing Grade: Optical (Ra<5nm)/Commercial (Ra<20nm);	Warranty: 30days; Material: Optical Glass; Shape: Single-Lens; Application: Medical, Civil, Labs; Usage: Optical; Type: Flat Lens; Transmittance: >95%; Lenses Color: Clear; Customized: Customized; Coating: UV; Hardness: Mohs Hardness of 9; Material Type: Synthetic Sapphire Glass; Density: 3.98 G/Cm³; Refractive Index: 1.761.77 (@589nm); Polishing Grade: Optical (Ra<5nm)/Commercial (Ra<20nm);
Supplier Name	Band Optics Technology	Heyuan Yushi Technology Co., Ltd	Heyuan Yushi Technology Co., Ltd	Heyuan Yushi Technology Co., Ltd	Heyuan Yushi Technology Co., Ltd
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