Product type: Aspherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Asperical Lens 16.
Overview
The Coated Thermal Imaging IR Optical Germanium (GE) Aspheric Plano-Cancave Lenses is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 40-20. Typical applications: 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 | 40-20 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Asperical Lens 16 |
| Lenses Color | Clear |
| Wedge | >0.002mm |
| Center Thickness | >=1mm |
| Polished | Yes |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Name | Coated Thermal Imaging IR Optical Germanium(GE) Aspheric Plano-cancave Lenses |
|---|---|
| Material | Germanium(GE) |
| Size | 25mm or 50mm or others |
| Coating | Uncoated, or with multiple broadband coating |
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 “40-20”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “>0.002mm”; 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 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 Infrared Windows.


