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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.
Optical neutral density filter
Neutral Density Filter reduces the brightness of an image without changing the color of the scene. It allows all wavelengths to pass through equally. Neutral density filters are categorized by their optical density (D) which is defined as the logarithm to the base 10 of the reciprocal of the transmittance (T): T=10-D
Optical neutral density filter specification:
Material | Optical Neutral Density Glass |
Diameter Tolerance | +0.0, -0.2 mm |
Thickness Tolerance | ±0.1 mm |
Surface Quality | 60-40 scratch and dig |
Clear Aperture | >85% |
Parallelism | < 3 arc minute |
Flatness | 2λ per 25 mm @632.8 nm |
Optical Density Tolerance | ±5% @400-700 nm |
Protective Bevel | <0.25 mm x 45° |
The customized optical neutral density filter is welcomed.
Other more filter glasses
1>Projection Optics System
2> Imaging
3> Sensor
4> Laser Measurement 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: Can I customize production?
A: Yes, customized production is welcomed.
5> Q: How can I get some samples ?
A: We are honored to offer you samples .
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