Product type: Fresnel Lens. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
The Dia150mm Aspherically Contoured Optical Fresnel Lens is supplied as an optical lens made from Optical Glass. Listed geometry: diameter 150.0+/-0.1mm, thickness as required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality as required. It is used in 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 | Fresnel Lens |
| Shape | Single-lens |
| Diameter | 150.0+/-0.1mm |
| Thickness | as required |
| Transmittance | >95% |
| Coating | HMC |
| Surface quality | as required |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Materials | Optical Glass or Plastic. |
| Focal length | as required |
| Ridges | as required |
| Inspections | Packaging& Shipping |
| Package detail | Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc |
| Supplier | CPG OPTICS LIMITED |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “150.0+/-0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “as required”; quote surface figure (λ) and scratch-dig.
- Centring and edges — 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 and Other Glass Materials for Machined Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. 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).
