Import Bk7 K9 Plano Convex Lens — Buy in wholesale FOB from Supplier in China
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Bk7 K9 Plano Convex Lens
The Bk7 K9 Plano Convex Lens is a precision optical element made from BK7 glass, offering high transmission and low dispersion. Its plano‑convex geometry provides a single curved surface that reduces spherical aberration in imaging systems. The supplier offers the lens in a range of diameters, with typical sizes from 10 mm to 100 mm and corresponding thicknesses from 5 mm to 10 mm. Certifications listed for the product include ISO 9001 and CE marking, indicating conformity with recognised quality standards.
BK7 glass has a refractive index of 1.5168 at the D‑line (587.6 nm) and a transmission greater than 92 % across the visible spectrum. Standard industry tolerances for surface accuracy are λ/10, which the supplier states as a typical specification for this lens type. The wavelength transmission range commonly spans 350 nm to 2000 nm, making the lens suitable for ultraviolet to infrared applications. Optional anti‑reflection coating can be applied, though the current listing does not specify a coating option.
These lenses are used in scientific research equipment, optical instruments such as microscopes and telescopes, and various industrial measurement devices. Buyers typically require confirmation of diameter, thickness, and coating before finalising a purchase, and the supplier mentions flexible bulk shipping under L/C terms. Prospective importers should request a detailed quotation that includes packaging, lead time and any additional certification documents.
| Material | BK7 optical glass (supplier confirmed) |
| Design | Plano convex (supplier confirmed) |
| Certifications | ISO 9001, CE (supplier confirmed) |
| Refractive index (nD) | 1.5168 (typical for BK7) |
| Transmission | >92 % at 550 nm (typical) |
| Wavelength range | 350 nm - 2000 nm (typical) |
| Surface accuracy | λ/10 (typical) |
| Diameter range | 10 mm - 100 mm (typical) |
| Thickness range | 5 mm - 10 mm (typical) |
| Packaging | Bulk packed with anti‑static film (typical) |
Changchun Sunday Optoelectronics Co., Ltd is located at No 9576 Donghuan Road, Changchun, Jilin Province, China, postal code 130000. The supplier’s platform profile carries a harbor trust tier, indicating basic verification compliance. No response statistics are currently available on the platform.
The company markets optical components, including BK7 and K9 lenses, aimed at customers requiring precision optics. It lists the Bk7 K9 Plano Convex Lens among its offerings and highlights industrial‑grade quality. No additional corporate history, headcount, revenue or client information is provided in the public data.
| 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 Bk7 K9 Plano Convex Lens from Changchun Sunday Optoelectronics Co., Ltd - China Import Guide
Before placing an order, verify that the lens material is BK7 glass and that the required diameter, thickness and any optional coating are clearly specified. Request copies of the ISO 9001 and CE certificates to confirm compliance with quality standards, and ask for a test report showing refractive index and transmission data. Ensure the supplied data matches the typical values described in the specification table.
Discuss logistics early with the supplier; typical lead times are not disclosed, so ask for an estimated production and delivery schedule. Confirm the preferred Incoterm, such as FOB Changchun port or CIF Shanghai, and negotiate payment under a documentary letter of credit as mentioned in the source. Clarify packaging details, including protective anti‑static film and bulk palletisation, to avoid damage during transit.
Arrange an independent inspection or request a third‑party quality audit before shipment, focusing on surface accuracy, diameter tolerance and coating uniformity if applicable. Obtain the inspection report together with the certificate of conformity and a mill test report for the BK7 glass. These documents will support customs clearance and provide confidence in the product’s performance.
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30 suppliersBuy Bk7 K9 Plano Convex Lens in Bulk — Verified Supplier in China
When sourcing Bk7 K9 Plano Convex Lens for your business, securing the right balance of quality and cost is essential. Changchun Sunday Optoelectronics 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 $2/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.
Bk7 K9 Plano Convex Lens Specifications, Trade Terms & Pricing
Importing Bk7 K9 Plano Convex Lens requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Sunday Optoelectronics 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Changchun Sunday Optoelectronics Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Bk7 K9 Plano Convex Lens 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 global B2B marketplace. Start your sourcing journey today.
Import Bk7 K9 Plano Convex Lens — Shipping, Logistics & Customs
Importing Bk7 K9 Plano Convex Lens 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 Bk7 K9 Plano Convex Lens
What is the wholesale price of Bk7 K9 Plano Convex Lens?
The current listed wholesale price for Bk7 K9 Plano Convex Lens from Changchun Sunday Optoelectronics Co., Ltd is $2/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 Sunday Optoelectronics Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Bk7 K9 Plano Convex Lens?
The supplier, Changchun Sunday Optoelectronics Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Bk7 K9 Plano Convex Lens. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Bk7 K9 Plano Convex Lens?
The HS Code classification for Bk7 K9 Plano Convex Lens depends on the specific grade and form. Contact Changchun Sunday Optoelectronics Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Bk7 K9 Plano Convex Lens from China?
To import Bk7 K9 Plano Convex Lens from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Sunday Optoelectronics Co., Ltd. Ensure you have the necessary import licenses for Optical Lenses products in your destination country.
Is Changchun Sunday Optoelectronics Co., Ltd a verified supplier?
Yes, Changchun Sunday Optoelectronics 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 Bk7 K9 Plano Convex Lens?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Changchun Sunday Optoelectronics Co., Ltd through EximNext.
What packaging options are available for bulk orders of Bk7 K9 Plano Convex Lens?
Changchun Sunday Optoelectronics Co., Ltd offers Bk7 K9 Plano Convex Lens with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Bk7 K9 Plano Convex Lens the most?
Bk7 K9 Plano Convex Lens is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Sunday Optoelectronics Co., Ltd through our platform.
What certifications does this Bk7 K9 Plano Convex Lens supplier hold?
Changchun Sunday Optoelectronics Co., Ltd maintains international quality certifications. These ensure that the Bk7 K9 Plano Convex Lens meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Bk7 K9 Plano Convex Lens on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Sunday Optoelectronics 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 Sunday Optoelectronics Co., Ltd.
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