Product type: Concave Lens. Application: Lighting, Medical, Optical, Photography. Model: PConcaveL9.
Overview
Customized Size Plano Concave Lens Precision Optical Lens: an optical lens made from Optical Glass. Listed geometry: ball, hemisphere shape. Optical / electrical data: wavelength 400-700 Nm 350-700 Nm 700-1100 Nm Customized, transmittance 90%-95%. Coating: UV; surface quality 40/20 / 60/40; flatness λ/4 / λ/2. It is used in Imaging, Machine Vision, Laser, Microscope and Il. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Concave Lens |
| Shape | Ball, Hemisphere |
| Transmittance | 90%-95% |
| Coating | UV |
| Surface Quality | 40/20 / 60/40 |
| Clear Aperture | ≥80% / ≥90% |
| Application | Imaging / Machine Vision / Laser / Microscope / Il |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | PConcaveL9 |
| Lenses Color | Clear |
| Lens Type | Plano-Concave Lens |
| Coating Wavelength | 400-700 Nm 350-700 Nm 700-1100 Nm Customized |
| Surface Flatness | λ/4 / λ/2 |
| Center Thickness | Customized |
| Edge Thickness | Customized |
| Operating Wavelength | UV / Visible / Nir / IR |
| OEM/ODM | Available |
| Functions | Light convergence and divergence |
| Supplier | Suzhou Vangta Electronic Technology Co., Ltd. |
Technical data
| Origin | Jiangsu, China | Customization | OEM / ODM Available |
| Brand | Vangta | Coating | Anti-Reflective Coating |
| Model No. | LENS-01 | Surface Quality | 60/40, 40/20, 20/10 |
| Product Type | Biconvex Lens | Application | Laser Machine Vision / Optical Equipment |
| Diameter | 1–360mm / Customized | Material | BK7 / H-K9L Optical Glass |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40/20 / 60/40”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Customized”; state centration and edge chamfer.
- Coating — listed as “UV”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).


