Product type: Aspherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Asperical Lens 18.
Overview
D25.4 Silicon /Germanium Optical Plano-Concave (PCC) /Plano-Convex (PCX) Lenses is an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 60-40. It is used in Lighting, Medical, Optical and Photography. 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 | Aspherical Lenses |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Asperical Lens 18 |
| Lenses Color | Clear |
| Polished | Yes |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Plano-Concave Lenses/Plano-Convex Lenses |
|---|---|
| Plano-concave | Plano-Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths |
| Plano-convex | Plano-Convex (PCX) Lenses are Optical Lenses with a positive focal length. |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60-40”; 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 Quartz Glass: Selecting Materials for Precision Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. 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 Infrared Windows.


