Product type: Convex Lens. Application: Optical.
Overview
Optical OEM Bk7 Quartz 1 Inch Glass Biconvex Lens Finished Imaging Double Convex Lens Ar Coated: an optical lens made from Optical Glass. Listed geometry: double convex shape. Optical / electrical data: transmittance >95%. It is used in Optical. 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 | Convex Lens |
| Shape | Double Convex |
| Transmittance | >95% |
| Usage | Optical |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter Tolerance | +0.0/-0.1mm |
|---|---|
| Center Thickness Tolerance | ±0.1 mm.. |
| Focal Length Tolerance | ±1%.. |
| Surface Quality | 60/40, 40/20 or better.. |
| Material | BK7, UVFused silica, Ge,CaF2, ZnSe |
| Clear Aperture | >90% |
| Centering | <3 arc min |
| Coating | Custom |
| Bevel | Protective bevel as needed |
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 — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. 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.
