Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
Dia22XL180mm Coated Optical Glass Rod Lenses is an optical lens made from Optical Glass. Listed geometry: diameter 22.00+0.00/-0.10mm, cylindrical shaped lens shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC; surface quality 20-10. Typical applications: Lighting, Medical, Optical, Photography and Astronomy. 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 | Flat Lens |
| Shape | Cylindrical Shaped Lens |
| Diameter | 22.00+0.00/-0.10mm |
| Transmittance | 90%-95% |
| Coating | HMC |
| Surface quality | 20-10 |
| Parallelism | <5arcmin |
| Clear Aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Specifications | Items |
| Length | 180.00+0.00/-0.10mm |
| R1 | infinity |
| R2 | infinity |
| Perpendicularity | <5arcmin |
| Chamfer | protected |
| AR coating,R<0.2%@532nm,AOI | 0deg |
| tandard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Rod Lenses | Material: | Schott N-BK7 |
| Diameter: | 22.00+0.00/-0.10mm | |
| Length: | 180.00+0.00/-0.10mm | |
| R1: | infinity | |
| R2: | infinity | |
| Surface quality: | 20-10 | |
| Parallelism: | <5arcmin | |
| Perpendicularity: | <5arcmin | |
| Clear Aperture: | >90% | |
| Chamfer: | protected | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “22.00+0.00/-0.10mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “protected”; state centration and edge chamfer.
- Coating — listed as “HMC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. 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).
