Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography, Astronomy. Model: Coated PCX lens.
Overview
12.7mm Diameter Schott N-BK7 Coated Plano-Convex Lenses: an optical lens made from UV Fused Silica. Listed geometry: diameter 12.7+0.0/-0.1mm, single-lens shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC; surface quality 10/5; flatness 1/10 Lambda. 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 | UV Fused Silica |
|---|---|
| Type | Convex Lens |
| Shape | Single-lens |
| Diameter | 12.7+0.0/-0.1mm |
| Transmittance | 90%-95% |
| Coating | HMC |
| Surface quality | 10/5 |
| Parallelism | <3" |
| Clear aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Model NO. | Coated PCX lens |
| Lenses Color | Clear |
| Materials | Schtt BK7/Fused Silica |
| RMS | 4A/1A |
| Surface flatness | 1/10 Lambda |
| Coatings | Upon request |
| Center thickness | 5.1+/-0.1mm |
| ROC1 | Infinity |
| ROC2 | 7.7mm+/-3%,CX |
| Centerness | <3arcmin |
| Chamfer | 0.1-0.3mm(LW)x45deg |
| 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 | |
| Spherical Lenses | Material: | Schott N-BK7 |
| Diameter: | 12.7+0.0/-0.1mm | |
| Center thickness: | 5.1+/-0.1mm | |
| ROC1: | Infinity | |
| ROC2: | 7.7mm+/-3%,CX | |
| Surface quality: | S1&S2:S-D 40-20 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | 0.1-0.3mm(LW)x45deg | |
| Coating: | Uncoated | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “UV Fused Silica”; name the glass or crystal.
- Geometry — listed as “12.7+0.0/-0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “10/5”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “0.1-0.3mm(LW)x45deg”; 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 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).
