Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens
Contact Supplier
Product Highlights
- Customized Optical Lenses: Full customization available including material, diameter, coating, and surface quality based on client requests.
- High Transmittance: Transmittance exceeds 95% covering ultraviolet, visible light, and infrared bands.
- Wide Diameter Range: Processing diameter ranges from 1mm for endoscopic lenses to 300mm for standard spherical lenses.
- Precision Manufacturing: Diameter tolerance of 0/-0.01mm and surface quality meeting US Standard 10-5 or ISO Standard 3X0.063.
- OEM and ODM Support: Accept all OEM and ODM orders with professional R&D engineers for design and development.
- 12-Month Warranty: Comprehensive warranty covering quality problems with free rework or replacement at our cost.
- Fast Delivery for Stock: Stock products are shipped within 2 days after payment confirmation.
- Sample Refund Policy: Sample fees are refunded upon placement of a large order.
Product Attributes
- Customization
- Available
- After-sales Service
- Replace, Refund
- Warranty
- 12months
- Model NO.
- TT Lens 376
- Usage
- Lighting, Medical, Optical, Photography
- Type
- Spherical Optical Lenses
- Transmittance
- >95%
- Shape
- Single-lens
- Material
- Optical Glass
- Lenses Color
- Clear
- Certification
- ISO9001
- Customized
- Customized
- Coating
- HMC
- Min
- 1 Unit
- Payment Term
- L/C, T/T, D/P, Western Union, Paypal, Money Gram
- Thickness
- as Required
- Surface Quality
- 40-20 or Better
- Bevel
- Protective Bevel as Needed Products Learn More
- Diameter Tolerance
- +0/-0.01 or as Required
- Transport Package
- Carton, Blister, Customized
- Specification
- As required
- Trademark
- TT
- Origin
- Tianjin
- HS Code
- 9001909090
- Production Capacity
- 4000pieces/Month
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 1.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens
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Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens -
Optical Glass N-K9l/N-Bk7 Ar Coated Cemented Telescope Objective Achromatic Lens
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Product Description
Spherical Lenses
Lenses is an optical element that used to focus or disperse light. Products are widely used in optical equipment, teaching, industrial lenses, camera, video shooting, automation, medical, measuring and surveying equipment, aviation, astronomy, etc.. So it requires different materials for different work range.our products cover ultraviolet, visible light and infrared band. The diameter scope of processing is around Φ1 for endoscopic lens~Φ300mm for standard spherical lenses and windows,etc.
Manufacturing accuracy of lenses or according to customer's need
| 1.Material | Domestic or foreign materials are selected based on clients' requests |
| 2.Diameter tolerance | 0/-0.01mm |
| 3.Clear aperture | 90%-100% |
| 4.Tolerance of CT or ET | ±0.02mm |
| 5.Vector Tolerance | ±0.015mm |
| 6.Aperture Tolerance | ±0.02mm |
| 7.Surface Quality | US Standard 10-5,ISO Standard 3X0.063 |
| 8.Curvature Tolerance | ±1.5Lambda |
| 9.Surface Flatness | Lambda/10@633nm |
| 10.Centration | 30 arc minutes |
| 11.Focal Length | ±1% |
| 12.Edge Chip | <0.1mm |
| 13.Bevel | Based on clients' requests |
| 14.Coating | Apply AR or based on client requests |
Inspections
Application field
Factory:
Tianjin Tengteng Optoelectronic Technology Co., Ltd. was established in 1995, focused on production, research and sales of precision optics. We have professional engineers to research and develop, and design all kinds of lens.
Optical Lens Design
Lens assembly and debugging
Packaging& Shipping
Package detail:
Inside Packing: Special protective packing for optical products
Outside Packing: Carton
Packing can be made according to customer's need
Payment Term:
T/T,Western Union,Paypal,L/C
Customer Question & Answer
1. Are you a manufacturer or trader? Can I visit your factory or office? How to see your factory on line?
We are a manufacturer in Tianjin, China.You are welcome to visit our factories and offices at any time.We have a video to show you our factory in detail.
2.What's your minimum order quantity?1 unit.
3.What's your payment term?
T/T,Letter of Credit, Western Union etc.
4.Could I get free samples before making an order?
Your samples fee will be refunded when you place a large order.
5.Do you have professional person to design according to my requirement?
Of course, we have R&D department to work with you and provide you the best service until you will be satisfactory.
6. What's the lead time?
It is up to your quantity and specification and our stock.
Your products will be sent within 2 days once you make payment for the stock products.
7. Do you have enough stock?
Sure. We have enough stock because our factory is in this area for over 20 years.You can contact our salesperson to get stock at any time.
8. Can you accept OEM or ODM?
Yes, we accept all OEM and ODM.
9. Do you give a warranty of your products?
Yes, if there is a quality problem, you can contact us by email or skype or whatsapp, we can give you the solution in time. We will rework or provide the replacements to you at our cost according to actual conditions.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2461027". Items marked "
" are certified.
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Company Profile
Tianjin, a significant and international port city, is where the national high-tech company--Tianjin Tengteng Optoelectronic Technology Co., Ltd. Started and developed. It was established in 1995, focused on production, research and sales of precision optics. Over two decades, our company has become one of the leading manufacturers of optical components, crystal components and optical assemblies in China. Our products have been exported to many countries and regions in the world. We have achieved a good reputation and comment with top grade products and considerate service from home and abroad. Tianjin Tengteng Optoelectronic Technology Co., Ltd. Was among the first batch of private enterprises engaged in precision optics in China, and we're No, 1 in Tianjin City. Over 20 years, sticking to our management concept and operation philosophy, with a focus on superlative craftsmanship and technical orientation, we've been committed to processing and manufacturing of medium and small batch, medium and high precision optical components. Our products are mainly exported to Europe and America. We cooperate with many domestic optic corporations and military enterprises. Wide scope of processing and complete product portfolio are our characteristics, and our products cover ultraviolet, visible light and infrared band. The diameter scope of processing is around Φ1 for endoscopic lens~Φ300mm for standard spherical lenses and windows. We're proud of our manufacturing capacity. Of course, competitive prices, good reputation and service are our biggest advantages and also the core competitiveness for us to have a presence in the international market!
Our company has modern production facilities covering an area of 3000s. Q.: From machining workshop for mold making, coarse grinding workshop for material preparation and milling, grinding shop for high-speed and low-speed polishing, to edging and centering workshop and finally dust-free workshop for coating, everything needed is ready and in place, contributing to the scientific, systemic and standard manufacturing processes of our company. Currently we have a staff team of over 110 people dealing with technical research and manufacturing; Producing numerous quality optical components and crystal elements. Optical components mainly consist of optical lenses, prisms, optical windows, precision flats, waveplate, optical filters, etc. Crystal elements mainly consist of calcium fluoride lens, magnesium fluoride fairing, zinc selenide lens, monocrystal silicon lens, germanium single crystal lens, etc. In addition, we can assemble and adjust lenses based on customer's needs, and customize optical components of various functions. Products are widely used in optical equipment, teaching, industrial lenses, camera, video shooting, automation, medical, measuring and surveying equipment, military, aviation, astronomy, etc. We possess the whole set of state-of-the-art testing equipment, which include ZYGO interferometer, sphericity interferometer, flat interferometer, curvature apparatus, focometer, angular instrument, vector altimeter, spectrograph, etc. Product surface quality and appearance inspection rest on accent light, cold light source, spotlight, magnifying glass, microscope, etc. Our skilled inspection team meets the requirements of International Standard, US Military Standard and ISO Standard, ensuring products' full compliance with the drawings prior to delivery and customer's perfect satisfaction.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 85, Xihu Road, Nankai District, Tianjin City, Tianjin, China
-
Plant Area
- 1970 square meters
-
Number of Employees
- 40
-
Registered Capital
- 5,000,000 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
- Tianjin Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 12
Our Production Capability & Technical Expertise
-
Main Products
- Optical Lens
-
Production Lines
- 3
-
Production Machines
- Lathe, High-precision automatic inner circle slicer, Rolling machine, Material unloading machine, Wire cutting equipment, Milling and grinding machine, Fine grinding machine, Double-sided polishing machine, Two-axis grinding and polishing machine, Ball core ink research machine, Machine core grinding machine, Light core edge grinder, Flat polishing machine, Box-type vacuum coating machine
-
QA/QC inspectors
- 6 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
- 2 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2002-08-02
-
Export Year
- 5 Years
-
Main Markets
- Europe, Domestic, Asia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- No
FAQ
- Are you a manufacturer or trader?
- We are a manufacturer in Tianjin, China. You are welcome to visit our factories and offices at any time. We also have a video to show you our factory in detail.
- What is the minimum order quantity?
- The minimum order quantity is 1 unit.
- What are your payment terms?
- We accept T/T, Letter of Credit, Western Union, PayPal, D/P, and Money Gram.
- Can I get free samples before making an order?
- Your sample fee will be refunded when you place a large order.
- Do you have professional people to design according to my requirements?
- Yes, we have an R&D department to work with you and provide the best service until you are satisfied.
- What is the lead time?
- Lead time depends on quantity and specification. Stock products are sent within 2 days after payment.
- Do you have enough stock?
- Yes, we have sufficient stock as our factory has been in the area for over 20 years. You can contact our salesperson to check availability.
- Can you accept OEM or ODM?
- Yes, we accept all OEM and ODM orders.
Send your message to this supplier
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