Product type: Dome Lens. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 23.
Overview
The Optical Glass Sperical Fairing Lens/Dome Cover Lens is supplied as a display / touchscreen cover glass made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality as Required. 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 | Dome Lens |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | as Required |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 23 |
| Lenses Color | Clear |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Name | Optical Glass Sperical Fairing Lens/Dome Cover Lens |
|---|---|
| Material | Optical glass |
| Diameter | As required |
| Wavelength Range | 350-2200nm |
| 1.Material | N-BK7,FS or based on clients' requirments |
|---|---|
| 2.Dimensional tolerances | +0/-0.1mm |
| 3.Clear aperture | 90% |
| 4.Aperture tolerance | ±0.1 |
| 5.Tolerance of CT or ET | ±0.05mm |
| 6.Surface Quality | US Standard 60-40,ISO Standard 3X0.25 |
| 7.Curvature Tolerance | ±2Lambda |
| 9.Centration | 1 arc minute |
| 10.Edge Chip | <0.2mm |
| 11.Bevel | Based on clients' requests |
| 12.Coating | Apply AR,Conductive coating(ITO)or based on client requests |
What to specify when you request a quote
- Glass type and thickness — listed as “Optical Glass”; name the glass (soda-lime, aluminosilicate, borosilicate) and thickness.
- Strengthening — state thermal tempering or chemical strengthening and the required surface compression or impact rating.
- Printing and coatings — listed as “HMC”; list silk-screen colours, windows, and any AR / AG / AF coating.
- Outline and edges — listed as “Single-lens”; send a drawing with cut-outs, holes and edge finish.
- Optical requirements — listed as “>95%”; give transmission, haze or gloss targets for the viewing area.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in AR Coating Process for Optical Glass Windows – Complete Manufacturing Overview. For an application example, read AR Glass for Appliance Touch Screens: Selection & Integration. A related standard product is AR Anti-Reflection Optical Window.
