Product type: Prism. Application: Binocular Telescope. Model: STF5401.
Overview
Optical Bk7 K9 Glass Porro Prism with Ar Mgf2 Coating: an optical prism made from Glass. Listed geometry: size 3-300mm, right angle shape. Coating: AR,HR,Aluminum,Silver or customer request.; surface quality 20-10; flatness 1/10 Lambda. It is used in Digital Device. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Prism |
| Shape | Right Angle |
| Size | 3-300mm |
| Coating | AR,HR,Aluminum,Silver or customer request. |
| Surface Quality | 20-10 |
| Flatness | 1/10 Lambda |
| Application | Digital Device |
| Usage | Binocular Telescope |
| Model NO. | STF5401 |
| Tolereance | +0.00/-0.002mm |
| Angle Tol | <0.2 Seonds |
| Tolerance | +/-0.01mm |
| Suface Quality | 10-5 |
| Angle tolerance | <3 seconds |
| Supplier | Changchun Sunday Optics Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass or crystal.
- Geometry — listed as “3-300mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “AR,HR,Aluminum,Silver or customer request.”; list the band and reflectance or transmission target.
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 Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts. A related standard product is AR-Coated High-Transparency Optical Glass.
