Shanghai Longway Special Glass Co., Ltd.
| Payment Terms | T/T,Western Union |
| Supply Ability | 20000 pcs per month |
| Delivery Time | 20 days |
| Packaging Details | electrolytic capacitor paper,foam,carton, pallet |
| Name | Plano convex lens |
| Surface | Polished |
| Transmission | over 92% |
| Coating | available |
| Processing | grinding and polishing |
| Application | Optics and projection |
| Brand Name | LONGWAY |
| Model Number | LW1609201852 |
| Certification | ISO9001 |
| Place of Origin | Shanghai, China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 20000 pcs per month |
| Delivery Time | 20 days | Packaging Details | electrolytic capacitor paper,foam,carton, pallet |
| Name | Plano convex lens | Surface | Polished |
| Transmission | over 92% | Coating | available |
| Processing | grinding and polishing | Application | Optics and projection |
| Brand Name | LONGWAY | Model Number | LW1609201852 |
| Certification | ISO9001 | Place of Origin | Shanghai, China |
| High Light | plano convex lens ，plano lens ，fused silica glass | ||
BK7 fused silica glass is a type of optical glass characterized by its high purity and uniform composition. Fused silica, also known as fused quartz, is produced through a process that melts high-purity silicon dioxide (SiO2) and then cools it to form a transparent glass. BK7 specifically refers to a standard optical glass formula developed by Schott AG, a German glass manufacturer. It is widely used in optical applications due to its excellent optical properties, chemical stability, and mechanical durability.
BK7 fused silica glass exhibits several notable properties that make it suitable for plano-convex lenses in projection systems:
Optical Transparency: BK7 glass is highly transparent in the visible and near-infrared spectral ranges, allowing for the transmission of light with minimal absorption or scattering.
Refractive Index: It has a well-defined refractive index, which is crucial for the focusing and imaging properties of lenses.
Dispersion: BK7 glass displays a specific dispersion characteristic, which helps to minimize chromatic aberration, a common issue in optical systems.
Thermal Stability: It has good thermal stability, resisting changes in shape or optical properties when subjected to temperature variations.
Chemical Resistance: BK7 glass is resistant to many chemicals, making it suitable for use in a variety of environments.
Plano-convex lenses, made from BK7 fused silica glass, have a flat surface on one side and a convex (curved outward) surface on the other. This design allows the lens to focus parallel rays of light to a single point, known as the focal point. In projection systems, plano-convex lenses serve several functions:
Focusing: They are used to focus the image produced by the projector onto a screen or other surface.
Collimation: They can help to collimate (make parallel) the light rays emerging from a light source, ensuring even illumination across the projection area.
Imaging: By combining with other lenses, plano-convex lenses can form part of a complex imaging system, correcting aberrations and improving image quality.
BK7 fused silica glass plano-convex lenses are commonly used in projection systems for a variety of applications:
Cinema Projection: They are found in movie theater projectors, ensuring high-quality images are projected onto large screens.
Home Theater Systems: In consumer electronics, these lenses are used in home theater projectors to deliver vibrant and clear images on TV screens or projection walls.
Presentation Systems: They are also employed in office presentation systems, such as those used in conference rooms and classrooms, to display slides and other visual content.
Scientific and Medical Imaging: In some scientific and medical imaging applications, plano-convex lenses made from BK7 glass are used to focus and project images of specimens or samples.
By leveraging the unique properties of BK7 fused silica glass, plano-convex lenses play a critical role in the performance and image quality of projection systems across a wide range of applications
| Name | optical Plano Convex Lens |
| Material | Bk-7,Pyrex,Fused Silica |
| Diameter Tolerance | +0/-0.2 mm |
| Thickness Tolerance | +/-0.2 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 scratch and dig |
| Transmission | above 92% |
| Chamfer | 0.1-0.3 mm x 45 degree |
| Coating | available |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
1000000-5000000
Employee Number:
30~100
Ecer Certification：
Verified Supplier
**Introduction** Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted par... **Introduction** Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted par...
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