Import Crystal Optics Caf2 Window Dia.12.7mm — Buy in wholesale FOB from Supplier in China

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Crystal Optics  Caf2 Window  Dia.12.7mm by Changchun Sunday Optoelectronics Co., Ltd
Harbor
Crystal Optics  Caf2 Window  Dia.12.7mm - Image 1

Crystal Optics Caf2 Window Dia.12.7mm

🕐Last updated: Jul 21, 2026
1030/ Bags
Min. Order: 1 Bags
💱₹1,030.00/ Bags
Live rate: 1 USD = 1.00 INR
📁CategoryWindow Films & Screens
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import Crystal Optics Caf2 Window Dia.12.7mm from Changchun Sunday Optoelectronics Co., Ltd - Wholesale Supply

The Crystal Optics Caf2 Window with a 12.7 mm diameter is manufactured by Changchun Sunday Optoelectronics Co., Ltd in Changchun, China. It is fabricated from high‑purity calcium fluoride (CaF₂), a material renowned for low dispersion and high transmission from the ultraviolet (250 nm) to the mid‑infrared (7 µm) spectral regions. The supplier lists the component as an optical window designed for precision applications, with a polished surface and a nominal thickness that matches the 12.7 mm aperture. Typical calcium fluoride windows of this size exhibit a refractive index of approximately 1.4338 at 589 nm and a bulk transmission exceeding 95 % across the stated range. Industry practice often specifies surface flatness of λ/10 (at 632.8 nm) and a scratch‑dig quality of 60‑40, which can be requested from the manufacturer. Many users apply an anti‑reflection coating tuned to the 3 µm region; such a coating is standard for CaF₂ windows but must be confirmed for each batch. The material’s resistance to thermal shock and chemical corrosion makes it suitable for environments with rapid temperature changes. Typical wedge angle tolerance for precision windows is less than 10 arcseconds, ensuring beam deviation remains negligible. Buyers such as research laboratories, telecommunications equipment manufacturers and industrial laser system integrators frequently source this component. The listing mentions flexible minimum order quantities and offers CIF or FOB shipping, but the exact MOQ should be verified directly with Changchun Sunday Optoelectronics. Prospective importers are advised to confirm the Incoterm, required documentation and preferred payment method before finalising the purchase.

Technical Specifications for Changchun Sunday Optoelectronics Co., Ltd Crystal Optics Caf2 Window Dia.12.7mm
MaterialCalcium fluoride (CaF₂)
Diameter12.7 mm
Spectral transmission range250 nm - 7 µm
Refractive index (typical)1.4338 at 589 nm
Surface flatnesstypical λ/10 (632.8 nm)
Surface qualitytypical 60‑40 scratch‑dig
Wedge angle tolerancetypical <10 arcseconds
Anti‑reflection coatingtypical available for 3 µm region
Thermal shock resistancetypical up to ±150 °C rapid change
Chemical resistancetypical resistance to acids and bases
About Changchun Sunday Optoelectronics Co., Ltd - Optical Components Supplier in China

Changchun Sunday Optoelectronics Co., Ltd is situated at No 9576 Donghuan Road, Changchun, 130000, China. The company is listed with a harbor trust tier, indicating a verified business profile on the platform. Its response rate is currently 0.00 % and the average response time is recorded as 0 hours, so buyers should allow extra time for communication.

The firm specialises in producing precision optical components such as calcium fluoride windows, lenses and prisms for scientific and industrial markets. It offers the Crystal Optics Caf2 Window as part of its catalogue, highlighting high transmittance and durability. While the listing does not disclose production capacity or specific certifications, interested parties can request a test report or quality certificate to substantiate performance claims.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About Crystal Optics Caf2 Window Dia.12.7mm from Changchun Sunday Optoelectronics Co., Ltd
The window is made from calcium fluoride (CaF₂), a low‑dispersion crystal commonly used in broadband optics.

Sourcing Crystal Optics Caf2 Window Dia.12.7mm from Changchun Sunday Optoelectronics Co., Ltd - China Import Guide

Before committing to a purchase of the 12.7 mm CaF₂ window, importers should obtain the mill test report that details transmission, refractive index and surface flatness. Confirm whether an anti‑reflection coating is applied and request the coating performance sheet. Verify the supplied dimensions and tolerance certificates, and if possible, arrange a third‑party optical audit to ensure the component meets the stated specifications.

Changchun Sunday Optoelectronics indicates that shipments can be arranged on CIF or FOB terms, but the exact Incoterm must be agreed in the sales contract. Lead time is not disclosed in the listing; therefore, ask the supplier for the expected production and dispatch schedule. Typical payment methods include T/T against a confirmed letter of credit; confirm any advance deposit and the currency to be used.

Quality assurance for optical windows relies on visual inspection for surface defects and interferometric testing for flatness. Arrange a pre‑shipment inspection by a qualified optical metrology lab to verify λ/10 flatness and 60‑40 scratch‑dig quality. Request the certificate of conformity, coating data sheet and any relevant ISO or RoHS declarations. Maintaining a clear communication channel with the supplier will help resolve any non‑conformities prior to loading.

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Buy Crystal Optics Caf2 Wind in Bulk — Verified Supplier in China

When sourcing Crystal Optics Caf2 Window Dia.12.7mm 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 $1030/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Window Films & Screens sector with strong demand from importing countries worldwide.

Crystal Optics Caf2 Wind Specifications, Trade Terms & Pricing

Importing Crystal Optics Caf2 Wind 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 online 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 Crystal Optics Caf2 Wind 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 Window Films & Screens category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.

Import Crystal Optics Caf2 Wind — Shipping, Logistics & Customs

Importing Crystal Optics Caf2 Wind 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 Crystal Optics Caf2 Wind

What is the wholesale price of Crystal Optics Caf2 Window Dia.12.7mm?

The current listed wholesale price for Crystal Optics Caf2 Window Dia.12.7mm from Changchun Sunday Optoelectronics Co., Ltd is $1030/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 Crystal Optics Caf2 Wind?

The supplier, Changchun Sunday Optoelectronics Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Crystal Optics Caf2 Wind. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Crystal Optics Caf2 Window Dia.12.7mm?

The HS Code classification for Crystal Optics Caf2 Window Dia.12.7mm 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 Crystal Optics Caf2 Wind from China?

To import Crystal Optics Caf2 Wind from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Sunday Optoelectronics Co., Ltd. Ensure you have the necessary import licenses for Window Films & Screens 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 Crystal Optics Caf2 Window Dia.12.7mm?

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 Crystal Optics Caf2 Wind?

Changchun Sunday Optoelectronics Co., Ltd offers Crystal Optics Caf2 Wind with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Crystal Optics Caf2 Wind the most?

Crystal Optics Caf2 Wind 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 Crystal Optics Caf2 Wind supplier hold?

Changchun Sunday Optoelectronics Co., Ltd maintains international quality certifications. These ensure that the Crystal Optics Caf2 Wind meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Crystal Optics Caf2 Window Dia.12.7mm 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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