# 30*30*30mm Optical Glass Custom Bk7 K9 90 45 Degree Reflected Light Right Angle Prism with Anti-Reflection Coatings

> 30*30*30mm Optical Glass Custom Bk7 K9 90 45 Degree Reflected Light Right Angle Prism with Anti-Reflection Coatings — an optical prism: Glass. Specs, RFQ…

- Page: https://machiningglass.com/products/303030mm-optical-glass-custom-bk7-k9-90-45-degree-reflected-light-right-angle-prism-with-anti-reflection-coatings/
- SKU: MG-533EB4
- Category: Optical Lenses, Prisms & Mirrors > Optical Prisms
- Image: https://machiningglass.com/wp-content/uploads/2026/10/30-30-30mm-Optical-Glass-Custom-Bk7-K9-90-45-Degree-Reflected-Light-Right-Angle-Prism-with-Anti-Reflection-Coatings.webp
- Updated: 2026-10-24

Product type: Right Angle Prism. Application: Beam Dispersion, Beam Split. Model: Right Angle Prism.

## Overview

30*30*30mm Optical Glass Custom Bk7 K9 90 45 Degree Reflected Light Right Angle Prism with Anti-Reflection Coatings is an optical prism made from Glass. Listed geometry: right angle prism shape. Listed for Medical Instrument applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Glass |
| Type | Right Angle Prism |
| Shape | Right Angle Prism |
| Application | Medical Instrument |
| Usage | Beam Dispersion, Beam Split |
| Model NO. | Right Angle Prism |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Dimensional Tolerance | ±0.02mm |
| Angle Tolerance | ±1 Arc Seconds |
| Surface Flatness | λ/10 |
| Surface Quality | 20/10 or better |
| Material | BK7/quartz/sapphire/Ge/CaF2/ZnSe .etc |
| Bevel | Protective bevel as needed |
| Coating | Custom |

## What to specify when you request a quote

- **Material** — listed as “Glass”; name the glass or crystal.
- **Geometry** — give diameter, focal length or radii, angles and tolerances.
- **Surface figure** — quote surface figure (λ) and scratch-dig.
- **Centring and edges** — state centration and edge chamfer.
- **Coating** — 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](https://machiningglass.com/materials/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](https://machiningglass.com/capabilities/flat-glass-polishing-process-for-precision-substrates/). For an application example, read [AR Coated Glass for Appliance Touch Screens: Specs and Selection](https://machiningglass.com/applications/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](https://machiningglass.com/resources/design-guide-for-holes-slots-and-edges-in-custom-glass-parts/). A related standard product is [AR-Coated High-Transparency Optical Glass](https://machiningglass.com/products/ar-coated-high-transparency-optical-glass/).

## FAQ

### What is the 30*30*30mm Optical Glass Custom Bk7 K9 90 45 Degree Reflected Light Right Angle Prism with Anti-Reflection Coatings made of?

It is listed as Glass. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### Where is this optical prism used?

Listed applications: Medical Instrument.

### What should I include in a quote request?

Include material, geometry, surface figure, centring and edges and coating, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=17399#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/