Product type: Convex Lens. Application: Medical, Optical. Model: STF99.
Overview
Optical Glass Dome Lenses Camera Protective Cover: a display / touchscreen cover glass made from Glass. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: HC; surface quality 60-40; flatness 1/4 Lambda. Typical applications: Medical and Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Convex Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | HC |
| Surface Quality | 60-40 |
| Flatness | 1/4 Lambda |
| Usage | Medical, Optical |
| Model NO. | STF99 |
| Lenses Color | Clear |
| Tolerance | +/-0.05mm |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Material | H-K9L, JGS1, Sapphire |
|---|---|
| Diameters Available | 8-400mm |
| Diameter Tolerance | +0.00/-0.05mm or customer design |
| Surface Quality | 60-40 |
| Thickness tolerance | +/-0.05mm |
| Clear Aperture | >90% of Diameter |
| Chamfer | 0.05-0.5mmx45degree, according to customer's needs. |
| Coating | BBAR 400-700nm |
What to specify when you request a quote
- Glass type and thickness — listed as “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 “HC”; 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 Coated Glass for Appliance Touch Screens: Specs and Selection. A related standard product is AR Anti-Reflection Optical Window.
