Product type: Biconvex Lens. Application: Lighting, Medical, Optical, Photography. Model: Lens2.
Overview
Bk7 K9 Biconvex Glass Lens with Ar Coating for Camera Imaging Systems: an optical lens made from Bk7 / H-K9l Optical Glass. Listed geometry: diameter ±0.05mm / ±0.1mm / Customized, size Customized. Optical / electrical data: wavelength UV / Visible / Nir / Customized, transmittance 90%-95%. Coating: Nti-Reflective Coating; surface quality 60/40, 40/20, 20/10; flatness λ/4 / λ/2 / Customized. It is used in Laser Machine Vision and Optical Equipment. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Bk7 / H-K9l Optical Glass |
|---|---|
| Type | Biconvex Lens |
| Shape | Customized |
| Size | Customized |
| Transmittance | 90%-95% |
| Coating | Nti-Reflective Coating |
| Surface Quality | 60/40, 40/20, 20/10 |
| Clear Aperture | ≥80% / ≥90% |
| Application | Laser Machine Vision / Optical Equipment |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | Lens2 |
| Lenses Color | Clear |
| Coating Range | 400-700nm / 350-700nm / 700-1100nm / Customized |
| Diameter Tolerance | ±0.05mm / ±0.1mm / Customized |
| Surface Flatness | λ/4 / λ/2 / Customized |
| Operating Wavelength | UV / Visible / Nir / Customized |
| Production Technology | CNC Grinding & Polishing / Precision Polishing |
| Precision | High Precision Optical |
| 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 “Bk7 / H-K9l Optical Glass”; name the glass or crystal.
- Geometry — listed as “Customized”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60/40, 40/20, 20/10”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Nti-Reflective Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica and Other Glass Materials for Machined Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.
