optical usage Bk7 glass 50mm lens
USD $1 - $10 /Piece
Min.Order:10 Pieces
Changchun Tian Cheng Optics Co., Ltd.
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.
50mm lens
These lenses have positive focus length. Most suitable where one conjugate is more than five times, the other. e.g. in sensor application or for use with near collimated light. Also where both conjugates are on the same side of the lens, e.g. as an add-on lens to increase the numerical aperture.
50mm lens specification
Material | Bk7 |
Design Wavelength | 546.1 nm |
Design Index: |
|
BK7 | 1.5183 ± 0.0005 |
Fused Silica | 1.46008±0.00005 |
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 50mm lens is welcomed.
More Optical large optical lens :
1> Optical Display System
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.
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)
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 .