Product Details

Our advantage:

1> Profession team: We have an excellent team, continue to provide qualit yservices.

2> Globle market: Our products are applied in many fields, is curently sold in Sotheast Asia, North Amercia, Europe and other regions and countries.

3> OEM/ ODM: We can according to the different needs with customized services.

4> Service Department: We have a complete after-sales service system, to help you from your worries.

Product Description

Negative Meniscus optical lens

Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly.

Negative meniscus optical lens specification

Material	BK7 grade A optical glass
Design Wavelength	546.1 nm
Design Index:	1.5183 ± 0.0005
Diameter Tolerance	+0.00, -0.15 mm
Thickness Tolerance	±0.2 mm
Paraxial Focal Length	±2%
Centration	<3 arc minutes
Clear Aperture	>85%
Surface Irregularity	λ/4(@)632.8 nm
Surface Quality	60-40 scratch and dig
Protective Bevel	0.25 mm x 45°

The customized Optical lens is welcomed.

More optical lens:

Application

1> Optical Display System

2> Projection Optics System

3> Imaging Optics System

4> Laser Measurements System

5> Optical View Finder

Factory information

Tian Cheng Optics Co., Ltd. is located in Changchun city where is famous base of optics research and development in China, we dedicate to designing and manufacturing high quality precision optical components including Lenses, High Precision Prism, Filter, Window, Beamsplitter, Mirror, Waveplate, Polarizer, Polarization Beamsplitter, Micro optics, they are widely used in industrial application, medical industry, construction, telecommunications, military, environment monitoring, life sciences, public security, aerospace etc. We have built well cooperation with some companies from United Kingdom,Germany, Ireland, Sweden, Australia, Brazil, U.S.A. etc.

Packaging & Shipping

1> Package Detail: A. Standard carbon and envelop with plastic foam.

B. Safety green carton.

C. Customized.

2> Delivery Detail: Within 20 days.(Also depand on the quantity)

FAQ

1> Q: Where is your factory located ? How can i visit there ?

A: Our factory is located in Chaoyang district Changchun city Jilin province China, about 3 hours bus ride from Shanghai. All our clients, from home or abroad, are warmly welcome to visit us !

2> Q: What's the material of your products ?
A: The material is optical glass and plastic .

3> Q: If I place an order now, how long would it be before I got delivery ?
A: It would largely depend on the size of the order and the items you want .

4> Q: How can I get some samples ?
A: We are honored to offer you samples .