Optical glass schott N-BK7 dia 12.7mm polished/uncoated/coated step window
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Product Highlights
- Customization Available: Supports customization from samples, designs, and flexible minor adjustments.
- Anti-Reflection Coating: AR coated to enhance optical performance and reduce light loss.
- ISO Certified Quality: Manufactured under ISO 9001 & 14001 standards with 100% inspection.
- Low MOQ: Minimum Order Quantity is just 1 piece, suitable for prototyping.
- 2-Year Warranty: Includes 1-year warranty and free repair services for peace of mind.
- Fast Delivery: Average lead time is one month for both peak and off-season periods.
- Multi-Industry Use: Ideal for lighting, medical, optical, photography, and astronomy.
Product Attributes
- Customization
- Available
- After-sales Service
- Repair for free
- Warranty
- 1 year
- Usage
- Lighting, Medical, Optical, Photography, Astronomy
- Type
- Step windows
- Transmittance
- >95%
- Shape
- Single-lens
- Material
- Schott N-BK7
- Lenses Color
- Clear
- Certification
- RoHS, ISO9001, CE, TUV
- Customized
- Customized
- Coating
- Anti-Reflection
- Transport Package
- Carton, Blister, Customized
- Specification
- As required
- Trademark
- CPG
- Origin
- China
- HS Code
- 9001909090
- Production Capacity
- 1000pieces/Month
Product Images of Optical glass schott N-BK7 dia 12.7mm polished/uncoated/coated step window
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Product Description
Optical glass schott N-BK7 polished/uncoated/coated step window
| Items | Description |
|
| Plano-Convex Lenses | Material: | Schott N-BK7/Fused Silica/Quartz/Sapphire/O'Hara SK-1300 |
| Diameter: | 12.70+0.05/-0.13mm or others | |
| Center thickness: | 1.3+/-0.1mm or others | |
| ROC1: | Infinity | |
| ROC2: | 13.1mm+/-3%,CX | |
| Surface flatness: | S1&S2:PV<1/[email protected] | |
| Surface quality: | S1&S2:S-D 10-5 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | 0.1-0.3mm(LW)x45deg | |
| Coating: | AR coated | |
| Standard: | MIL-PRF-13830B | |
Why CPG
COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:
- Zygo Interferometer
- Wyko Cylinder Interferometer
- Agilent Cary 7000 Spectrometer
- Optical Bench
- Moller-wedel Goniometer
- Taylor Hobson Profiler
- Mitutoyo Projector
- Zygo Roughness Meter
- CMM
- Stress Measuring
- Satisloh Spherometer
- Trioptics Centering
CPG is also an ISO: 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers.
Inspection

Other Lenses CPG handle

Certificates

Packaging& Shipping
Package detail:
Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc
Customized safety green carton
Shipping term:

About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR244415". Items marked "" are certified.
Company Profile
CPG optics, founded in 1990, has supplied many different kinds of optical components with high quality and favorable price, such as optical windows, optical lens, optical prisms etc. We are pleased to get your inquiry, and we will reply you as soon as possible. We stick to the principle of "quality first, service first" and apply "zero defect, zero complaints" as the quality objective.
In the meantime, we also place a prompt delivery in the priorities. Keeping continuous improvement and innovation to maximize customers' satisfaction is CPG's values. In order to provide better and in-time services, we set up branches in USA, Germany, Malaysia, and Netherlands.
CPG can handle these materials: Schott/Ohara/Hoya/CDGM glasses, Corning glasses, Heraeus glasses, II-VI ZnS, ZnSe, Germanium, Silicon, Zerodur, MgF2, CaF2, BaF2, Sapphire, Optical plastics, GaAs, KTP, BBO, LBO, YVO4, YAG, ND: YAG, ND: YVO4, BaTiO3, BGO, LiNbO3 etc.
CPG has stable purchasing channels to supply multiple materials for our customers. Every year, we will invest 20% sales amount to do R&D, such as the GGG laser crystal fabricating method, super Polish technology with unique method and domes for some high-end applications etc.
CPG feature products: Custom lens design & assembly, super Polish products, multifaceted prisms, and other high-grade custom objectives.
INSPECTATION
1. Goniometer
2. ZYGO 4 Inch Interferometer
3. TRIOPTICS Centration Measurement Instrument
4. TAYLOR HOBSON PGI1250
5. TAYLOR HOBSON LUPHO Scan
CUTTING EDGE ADVANTAGES
1. Competitive Prices
2. Short Lead Times
3. Rapid Prototyping
4. Stable Quality
5. Quality ISO: 9001-2008 Registered
6. Experienced Expert Engineering Team
Any question and requirements, please feel free to contact us
Benjamin Cui: +86 25-85652542 or +86-13382045298
About Our Factory & Business Background
- Address
- No.218 Xiaowei Ave., Xuanwu, Nanjing, Jiangsu, China
-
Plant Area
- 208 square meters
-
Number of Employees
- 52
-
Registered Capital
- 9,185,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Spherical Lens, Optical Lens, Optical Window, Optical Prism, Optical Mirror
-
Production Lines
- 6
-
Production Machines
- Flat Milling and Grinding Machine, Ring Grinding Machine, Polishing Machine, Coating Machine, Coating Cleaning Machine, Fine Carving Marking Machine, Classical Four-axis Cylinder Machine, Spherical Milling and Grinding Machine, Grinding Machine, Finishing Grinding Machine, Edge Grinding Machine
-
QA/QC inspectors
- 30 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 20 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-03-25
-
Export Year
- 10 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 12
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO14001
-
Cooperated with Fortune 500
- No
FAQ
- Is customization available for this product?
- Yes, we offer full customization, minor customization, and flexible customization from samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece, making it suitable for small batches or prototyping.
- What is the warranty period?
- We provide a 1-year warranty and offer free repair services for the product.
- What are the shipping terms and lead times?
- We accept FOB, CIF, CFR, and EXW terms. The average lead time is one month for both peak and off-season periods.
- What certifications does the product have?
- The product is certified with RoHS, ISO9001, CE, and TUV standards.
- What is the transmittance of the lens?
- The transmittance is greater than 95%, ensuring high optical performance.
- What payment methods are accepted?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
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