17 Canada 
4 China 
3 Singapore 
1 Argentina 
1 UK 
Hot Sale Optical Telescope Lens - China
price: contact company for price
Specifications
Hot Sale Optical telescope lens
1 - Materical: BK7, K7, fused silicon.
2 - Center Thickness Tolerance: +/-0.1mm
3 - Telescope lens
Hot Sale Optical telescope lens
telescope lens is like the Plano-Concave lenses in that they are used to produce divergent light.
The Bi-Concave is best used when the input beam is converging.
Specifications:
telescope lens
1 - Material:
BK7, k9 or fused silicon
2 - Dimension Tolerance: +0.0, -0.1mm
3 - Center Thickness Tolerance: ±0.1mm
4 - Paraxial Focal Length: ±2%
5 - Surface quality: 60/40
6 - Clear Aperture: >85%
7 - Surface Figure: λ/4 @633nm
8 - Centration: 3 arc minutes
9 - Bevel: <0.25mm×45°
10 - Coating: Upon requirement
Company Contact:
- Phone: 8643189825768
- Address: No.3188, Yangpu Street,, Changchun,China , China
- Email:
- Website: https://www.worldhawk.com
Published date: July 24, 2013
- Business Description: involved in international trade import export of goods, products, and services
Related listings
-
Concave Convex LensesElectronics - Manufacturing - Changchun Worldhawk Optoelectronics Co., Ltd. - China - July 24, 2013 - contact company for priceSpecifications concave convex lenses Material: Optical glass, IR crystal, Quartz, Sapphire Diameter: 2.5-120mm Focal length: 0.1% to 2% Meniscus cylindrical lens is a lens that one surface is convex shape, another surface is concave with cylindrical ...
-
Square Round Plano Convex Cylindrical LensesElectronics - Manufacturing - Changchun Worldhawk Optoelectronics Co., Ltd. - China - July 24, 2013 - contact company for priceSpecifications Square&Ro und Plano convex Cylindrical Lens 1.Material:K9 2 Surface Quality:40/20 3.Flatness:1/4 lambda at 633nm 4..AR coated Square&Round Plano convex Cylindrical Lenses These plano-concave cylindrical lenses are edged as circular sha...
-
10mm To100mm Convex LensElectronics - Manufacturing - Changchun Worldhawk Optoelectronics Co., Ltd. - China - July 24, 2013 - contact company for priceSpecifications 10mm to100mm Convex lens 1.Materical:optical glass, such as BK7, K9, quartz, sapphire 2.Diameter:10-100mm 3.Focal length:50-300mm Convex lenses are mainly used in LED spotlight, Auto lamp, Flashlight, optical experiment, test experimen...
Safe Trade Tips
- Ask for business references and check them
- Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
- Verify their business via their local Chamber of Commerce
- Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
- Get to know more about scams and fraud to avoid: Internet Crime Complaint Center - Consumer Financial Protection Bureau
- This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"