Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
Dia50.8mm UV Fused Silica Optical Plano-Convex PCX Lens is an optical lens made from Optical Glass. Listed geometry: diameter 50.8+0.0/-0.1mm, single-lens shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC; surface quality 40-20. 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 | Convex Lens |
| Shape | Single-lens |
| Diameter | 50.8+0.0/-0.1mm |
| Transmittance | 90%-95% |
| Coating | HMC |
| Surface quality | 40-20 |
| Clear aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Specifications | Items |
| Edge thickness | 3.0+/-0.1mm |
| ROC1 | 228.51mm,CX |
| ROC2 | infinity |
| Centerness | <3arcmin |
| Chamfer | <0.25mmx45deg |
| AR coating,Rabs<0.5%@700-900nm,AOI | 0deg |
| LIDT | >2.5J/cm |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Plano Convex Lens | Material: | UVFS(JGS1) |
| Diameter: | 50.8+0.0/-0.1mm | |
| Edge thickness: | 3.0+/-0.1mm | |
| ROC1: | 228.51mm,CX | |
| ROC2: | infinity | |
| Surface quality: | 40-20 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | <0.25mmx45deg | |
| 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 “50.8+0.0/-0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “3.0+/-0.1mm”; 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 Boost Yield with Fused Silica Viewports for Vacuum and Optical 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).
