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Optical Narrow Bandpass Filter Bk7/K9/Quartz/Sapphire
US$1.80-20.00
20 Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableUsage
Medical, Thermal ImageThickness Range
1mm-2mmModel NO.
STF56Color
BlueType
Interference FilterPrinciple
Selective Absorption FilterMaterial
GlassAngle of incidence
0°Shape
CustomizedCertification
RoHS, CECustomized
CustomizedSurface Quality
60-40Flatness
1/4 LambdaTolerance
+/-0.05mmFwhm
3-50nmTransport Package
100PCS Per BoxSpecification
3-200mmTrademark
Sunday OpticsOrigin
China, ChangchunHS Code
9001909090Production Capacity
50000PCS Per MonthKey features
Customized Shape: Shape is fully customized to meet specific application requirements.
Wide Material Options: Available in N-BK7, H-K9L, Sapphire, Fused Silica, CaF2, ZnSe, Si, and Ge.
High Transmission Rate: Transmission ranges from 60% to 99% depending on the specific wavelength.
Long Service Life: Designed for durability with a service life exceeding 5 years under general conditions.
Excellent Heat Resistance: Features hard, firm coating film with superior heat and moisture resistance.
Precise Wavelength Positioning: Ensures high accuracy for medical, thermal imaging, and detection instruments.
RoHS and CE Certified: Meets international safety and environmental standards for global markets.
Flexible Diameter Range: Diameter options span from 2mm up to 200mm or custom sizes.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2013-05-09Nearest Port: beijing, shanghai, shenzhenAverage Response Time: ≤7.63hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, CIP
AI-Powered supplier vetting
SummaryChangchun Sunday Optics Co., Ltd. is identified as a Chinese manufacturer/factory specializing in optical components, including lenses, prisms, windows, filters, coatings, and optical assemblies. The supplier reports ISO 9001 certification, more than 10 production lines, 41–50 quality-control staff, 6–10 years of combined R&D engineer experience, and annual processing capacity of up to 1 million pieces. It also states that it supports both sample orders and mass production and provides after-sales service. The supplier has exported since 2013 and holds self-operated import and export rights. However, the supplied information does not provide sufficient evidence to assess financial credibility, product-specific customization capability, or the quality and scale of customer cases.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and describes its own optical-component production activities, including lenses, prisms, filters, coatings, and assemblies. This supports direct manufacturing capability rather than only trading or distribution.
CertificationsThe supplier reports holding ISO 9001 certification, indicating that a quality-management-system certification is claimed. No certification number, issuing body, scope, or validity period is provided.
After-Sales capabilityThe supplier explicitly states that it provides after-sales service for product questions to achieve customer satisfaction. The information does not specify response times, service channels, warranty terms, or service coverage.
Production capacityThe supplier reports more than 10 production lines, 41–50 quality-control staff, multiple branches, and annual processing capacity of up to 1 million pieces, with support for sample orders and mass production. Its stated equipment covers cutting, grinding, polishing, coating, and gluing, providing explicit evidence of substantial optical-component production capability.
Product Q&A
Q:Are you a manufacturer and can we see your factory?
A:
Yes, we are a manufacturer and welcome factory visits.
Q:Do you provide test reports?
A:
Yes, we offer full-size test reports covering size, focal length, flatness, coating curves, and coating plates.
Q:What is your monthly production quantity?
A:
Production quantity depends on the lens size and precision requirements.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Q:What is the delivery time for samples?
A:
Sample delivery time is 10 to 20 days.
Send Inquiry
*To:
Changchun Sunday Optics Co., Ltd.
Changchun Sunday Optics Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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