Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
1/2" Dimater Uncoated Schott N-BK7 CDGM H-K9L Optical Rod Lens for Endoscope/20J Laser: an optical lens made from Schott N-BK7. Listed geometry: diameter 12.7+0.0/-1.0mm or other diameter, rod shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC. 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 | Schott N-BK7 |
|---|---|
| Type | Flat Lens |
| Shape | Rod |
| Diameter | 12.7+0.0/-1.0mm or other diameter |
| Transmittance | 90%-95% |
| Coating | HMC |
| Parallelism | <10arcmin |
| Clear Aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Length | 50.0+/-0.1mm |
| ROC1 | infinity |
| ROC2 | infinity |
| Chamfer | Protected |
| Standard | MIL-PRF-13830B |
| CPG is also an ISO | 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers. |
| Package detail | Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Rod Lenses | Material: | Schott N-BK7/CDGM H-K9L |
| Diameter: | 12.7+0.0/-1.0mm or other diameter | |
| Length: | 50.0+/-0.1mm | |
| ROC1: | infinity | |
| ROC2: | infinity | |
| circumference:N/A | ||
| Surface quality: | S1&S2:S-D 40-20 | |
| Circumference:fine ground | ||
| Parallelism: | <10arcmin | |
| Clear Aperture: | >90% | |
| Chamfer: | Protected | |
| Coating: | Uncoated | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Schott N-BK7”; name the glass or crystal.
- Geometry — listed as “12.7+0.0/-1.0mm or other diameter”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — 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 Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. 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).
