Product type: Windows. Application: Lighting, Optical, Photography. Model: FSOW.
Overview
B270 Windows High-Quality and Customizable with Coating Option Optical Lens Factory Direct Sale is an optical lens made from Glass. Listed geometry: thickness 0.5mm-100mm, round shape. Coating: Customized; surface quality 40/20 or Better. Typical applications: Lighting, 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 | Glass |
|---|---|
| Type | Windows |
| Shape | Round |
| Coating | Customized |
| Surface Quality | 40/20 or Better |
| Clear Aperture | >90% |
| Usage | Lighting, Optical, Photography |
| Model NO. | FSOW |
| Thickness Range | 0.5mm-100mm |
| Color | Transparent |
| Angle of incidence | 45° |
| Model No | Fsow-1 |
| Supplier | Tianjin Fushi Optical Technology Co., Ltd. |
Technical data
| PRODUCT NAME | Optical Window |
|---|---|
| DIAMETER | 0.2-300mm |
| THICKNESS | 0.1-100mm |
| DIMENSION TOLERANCE | +/-0.1mm or +/-0.02mm |
| SURFACE QUALITY | 60/40, 40/20,20/10 or better |
| CLEAR APERTURE | >85%, >90% |
| COATING | AR, BBAR or Custom |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass or crystal.
- Geometry — listed as “45°”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40/20 or Better”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Customized”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. 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.


