Wuhan Siwer Optics Co.,Ltd
| Supply Ability | 2000 pieces/month |
| Delivery Time | 4-5 weeks |
| Packaging Details | 1.Tissue paper.plastic foam packaging film And hard carton box with quakeproof filler |
| Material | BK7 |
| Type | Plano concave |
| Diameter range | 4-260mm |
| Demension tolerance | +/-0.1mm |
| Surface quality | 40/20 |
| Surface accuracy | Lambda/4 in 25.4mm |
| Centration | 3 arc min |
| Usage | Optical system |
| Coating | Customized |
| Brand Name | Wuhan Siwer Optics |
| Place of Origin | Wuhan,China |
View Detail Information
Explore similar products
Optical Glass Plano Concave Lens +/-0.1mm Dimension Tolerance
Circular Optical Plano Concave Mirror With Silver Coating , 4-300mm Diameter
Uncoated Plano Concave PCV Lenses , Optical Lens With Negative Focal Lengths
VIS-NIR 400-1000nm Plano Concave Lens AR Coated , 546nm Design Wavelength
Product Specification
| Supply Ability | 2000 pieces/month | Delivery Time | 4-5 weeks |
| Packaging Details | 1.Tissue paper.plastic foam packaging film And hard carton box with quakeproof filler | Material | BK7 |
| Type | Plano concave | Diameter range | 4-260mm |
| Demension tolerance | +/-0.1mm | Surface quality | 40/20 |
| Surface accuracy | Lambda/4 in 25.4mm | Centration | 3 arc min |
| Usage | Optical system | Coating | Customized |
| Brand Name | Wuhan Siwer Optics | Place of Origin | Wuhan,China |
| High Light | pcv lens ，plano concave mirror | ||
Our N-BK7 Plano-Concave lenses are available uncoated or coated with a variety of multi-layer antireflection coatings. All lenses feature λ/4 surface accuracy and 40-20 scratch-dig surface quality. N-BK7 is an excellent lens material for most visible and NIR applications. It provides great performance at a good value with its high homogeneity, low bubble and inclusion content and straightforward manufacturability.
| Common Specifications | |
| Lens Shape | Plano-Concave |
| Substrate Material | N-BK7 or H-K9L |
| Wavelength Range | 350 nm - 2.0 µm |
| Diameter Tolerance | +0.0/-0.1 mm |
| Thickness Tolerance | ±0.1 mm |
| Focal Length Tolerance | ±1% |
| Design Wavelength | 587.6 nm |
| Index of Refraction@ 633 nm | 1.515 |
| Surface Quality | 40-20 Scratch-Dig |
| Surface Flatness(Plano Side) | λ/2 |
| Spherical Surface Accuracy (Concave Side) | 3λ/2 |
| Surface Irregularity(Peak to Valley) | λ/4 |
| Abbe Number | vd = 64.17 |
| Centration | <3 arcmin |
| Clear Aperture | >90% of Diameter |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Ecer Certification：
Active Member
Company profile Wuhan Siwer Optics is a professional manufacturer of various optical components.We focuses on production of optical interference filters,infrared and visible optical components. The company has optical optimization design, precision optical processing and optical coating technolo... Company profile Wuhan Siwer Optics is a professional manufacturer of various optical components.We focuses on production of optical interference filters,infrared and visible optical components. The company has optical optimization design, precision optical processing and optical coating technolo...
Get in touch with us
Leave a Message, we will call you back quickly!