Import Ar Coating Bk7 Dome Glass Lens — Buy in wholesale FOB from Supplier in China
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Ar Coating Bk7 Dome Glass Lens
The Ar Coating Bk7 Dome Glass Lens supplied by Changchun Positive Optics is a precision optical component machined from BK7 borosilicate glass, offering a diameter range from 0.5 mm to 2500 mm to accommodate micro-optics through large-format applications. The AR coating is applied to minimize surface reflectance, improving light transmission across the visible spectrum while the dome geometry reduces back reflections in imaging systems. Surface quality is rated at 10-5 scratch-dig, ensuring negligible scattering for laser and high-resolution uses.
BK7 glass provides a refractive index of approximately 1.517 at 587.6 nm, with a typical Abbe number of 64.2, balancing dispersion and chromatic correction for broadband applications. The material’s thermal expansion coefficient is standard at 7.1 x 10^-6 /K, making it stable in environments up to 110°C without significant dimensional change. Coating adhesion meets MIL-C-48497, typical for military and industrial optics, while the dome shape is often specified for underwater or wide-angle viewing where planar surfaces would introduce distortion.
This lens is specified for telecommunications, medical imaging and scientific instrumentation where low reflection loss and high transmission are critical. Buyers typically integrate it into laser systems, endoscopes and LiDAR assemblies, sourcing in bulk to meet OEM demand. Changchun Positive Optics offers inspection to ISO 10110 for surface imperfections and transmitted wavefront distortion, with packaging tailored to prevent edge chipping during transit.
| Material | BK7 borosilicate glass |
| Diameter range | 0.5 mm to 2500 mm |
| Surface quality | 10-5 scratch-dig |
| Refractive index (587.6 nm) | 1.517 (typical) |
| Abbe number | 64.2 (typical) |
| Thermal expansion coefficient | 7.1 x 10^-6 /K (typical) |
| Coating type | Anti-reflective (AR) |
| Coating adhesion standard | MIL-C-48497 (typical) |
| Operating temperature range | -40°C to 110°C (typical) |
| Inspection standard | ISO 10110 (surface imperfections and wavefront) |
Changchun Positive Optics Co., Ltd. is based in Changchun, Jilin Province, China, with its registered address at No.218 Yuandadajie. The company operates within the optical components sector, specialising in precision glass elements for industrial and scientific applications. Its profile indicates a focus on export markets, with the listed trust tier classified as harbor.
The supplier’s response signals are currently inactive, with a recorded response rate of 0.00 and no average response hours logged. No additional verification data, such as certifications or production capacity, are provided in the listing. Buyers are advised to confirm manufacturing capabilities, quality control processes and lead times directly with the supplier before placing orders.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Ar Coating Bk7 Dome Glass Lens from Changchun Positive Optics Co., Ltd. - China Import Guide
Before ordering, verify the supplier’s capability to produce the exact diameter and dome radius required for your application, as BK7 dome lenses often involve custom tooling. Request a detailed technical drawing including centre thickness, radius of curvature and edge thickness, along with the coating’s design wavelength range to ensure compatibility with your system.
Confirm logistics details such as Incoterms, with FOB or CIF commonly used for optical components shipped from China. Lead times for custom diameters can exceed 6 to 8 weeks, so clarify production schedules and expedited options. Payment terms are typically 30% deposit with the balance before shipment, so negotiate milestones tied to inspection reports.
Inspect the first article for surface quality using a 10x microscope or interferometer to validate the 10-5 scratch-dig rating and measure transmitted wavefront distortion. For the AR coating, use a spectrometer to verify reflectance at 400 nm, 550 nm and 700 nm. Request a material test report for the BK7 glass to confirm its refractive index and inclusion class per ISO 12120.
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30 suppliersBuy Ar Coating Bk7 Dome Glass in Bulk — Verified Supplier in China
When sourcing Ar Coating Bk7 Dome Glass Lens for your business, securing the right balance of quality and cost is essential. Changchun Positive Optics Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1.99/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Optical Lenses sector with strong demand from importing countries worldwide.
Ar Coating Bk7 Dome Glass Specifications, Trade Terms & Pricing
Importing Ar Coating Bk7 Dome Glass requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Positive Optics Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Changchun Positive Optics Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Ar Coating Bk7 Dome Glass has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Optical Lenses category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Ar Coating Bk7 Dome Glass — Shipping, Logistics & Customs
Importing Ar Coating Bk7 Dome Glass requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Ar Coating Bk7 Dome Glass
What is the wholesale price of Ar Coating Bk7 Dome Glass Lens?
The current listed wholesale price for Ar Coating Bk7 Dome Glass Lens from Changchun Positive Optics Co., Ltd. is $1.99/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Changchun Positive Optics Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Ar Coating Bk7 Dome Glass?
The supplier, Changchun Positive Optics Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Ar Coating Bk7 Dome Glass. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Ar Coating Bk7 Dome Glass Lens?
The HS Code classification for Ar Coating Bk7 Dome Glass Lens depends on the specific grade and form. Contact Changchun Positive Optics Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Ar Coating Bk7 Dome Glass from China?
To import Ar Coating Bk7 Dome Glass from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Positive Optics Co., Ltd.. Ensure you have the necessary import licenses for Optical Lenses products in your destination country.
Is Changchun Positive Optics Co., Ltd. a verified supplier?
Yes, Changchun Positive Optics Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Ar Coating Bk7 Dome Glass Lens?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Changchun Positive Optics Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Ar Coating Bk7 Dome Glass?
Changchun Positive Optics Co., Ltd. offers Ar Coating Bk7 Dome Glass with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Ar Coating Bk7 Dome Glass the most?
Ar Coating Bk7 Dome Glass is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Positive Optics Co., Ltd. through our platform.
What certifications does this Ar Coating Bk7 Dome Glass supplier hold?
Changchun Positive Optics Co., Ltd. maintains international quality certifications. These ensure that the Ar Coating Bk7 Dome Glass meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Ar Coating Bk7 Dome Glass Lens on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Positive Optics Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Changchun Positive Optics Co., Ltd..
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