Product type: Aspheric Lenses. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Electronics, Detection. Model: RAY-XS185#.
Overview
The Concentrating Glass/Diameter 25mm Focal Length 20mm Lens/Aspheric Lens/Optical Lens is supplied as an optical lens in Optical Glass (Schott B270 Ultra-White Glass substrate). Listed geometry: single-lens shape. Optical / electrical data: wavelength 400-700nm, transmittance >95%. Coating: Visible Coated; surface quality 80-50 Scratch-Dig or Custom. Typical applications: Lighting, Medical, Optical, Photography and Laser. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | Schott B270 Ultra-White Glass |
| Type | Aspheric Lenses |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | Visible Coated |
| Surface Quality | 80-50 Scratch-Dig or Custom |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Electronics, Detection |
| Model NO. | RAY-XS185# |
| Lenses Color | Clear |
| Ar Coating Wavelength | 400-700nm |
| Coating Type | Single-Layer Visible Mgf2 |
| Products Keywords | concentrating glass/Diameter 25mm focal length 20mm lens/aspheric lens/optical lens |
| Applications | 1. Concentrating light |
| Specifications | Lens type |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Lens type | Aspherical lens |
|---|---|
| Material | H-K9L or customized |
| Dimensions | 25mm or customized |
| Diameter | 25mm or customized |
| Focal length | 25mm or customized |
| Center thickness | 8.5mm or customized |
| Application | Collimated spotlight amplifying illumination |
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 “80-50 Scratch-Dig or Custom”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Visible Coated”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Laser Beam Splitter Glass Sheet.
