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Wholesale K9 Optical Glass Lens Cemented Achromatic Doublet Lens
US$2.00-100.00
1 pc
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableUsage
Optical, Infrared ImageType
Achromatic LensesModel NO.
SG578Transmittance
>95%Shape
Cemented LensesMaterial
K9 Quartz Bk7 Corning7980 Germanium Silicon ZnseLenses Color
ClearCertification
RoHS, CECustomized
CustomizedCoating
Polish+CoatingFlatness
1/20 LambdaTolereance
+0.00/-0.01mmSurface Quality
10-5Certeration
<1arcminTransport Package
Plastic BoxSpecification
1-600mmTrademark
Sunday OpticsOrigin
China, ChangchunHS Code
9001909090Production Capacity
50000PCS Per MonthKey features
High Precision Manufacturing: Flatness up to 1/20 Lambda with Zygo test report available.
Wide Material Selection: Available in K9, Quartz, BK7, Germanium, Silicon, and more.
Customized Dimensions: Diameters from 1mm to 600mm with customer design options.
Low Aberration Design: Cemented achromatic doublets reduce spherical and chromatic aberration.
High Transmittance: Transmittance exceeds 95% for clear optical performance.
Multiple Coating Options: Single or multiple layer AR coatings with custom wavelength ranges.
Low Tolerance Control: Diameter tolerance +0.00/-0.01mm and thickness tolerance +0/-0.01mm.
RoHS and CE Certified: Products meet international safety and environmental standards.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2013-05-09Nearest Port: beijing, shanghai, shenzhenAverage Response Time: ≤15hTerms 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 you can visit our factory.
Q:Do you provide test reports?
A:
Yes, we offer full size test reports covering size, focal length, flatness, coating curve, and coating plate.
Q:What is your monthly production quantity?
A:
It depends on the lens size and precision required.
Q:What is the minimum order quantity?
A:
The minimum quantity is 1 piece.
Q:What is the delivery time for samples?
A:
Samples take 10 to 20 days for delivery.
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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