---
product_id: 177446514
title: "BK7 Optical Glass Disk 1.5\" X 0.125\" 38.1mm"
brand: "substrate sales"
price: "€ 31.67"
currency: EUR
in_stock: true
category: "Photo"
url: https://www.desertcart.pt/products/177446514-bk7-optical-glass-disk-1-5-x-0-125-38
store_origin: PT
region: Portugal
---

# BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm

**Brand:** substrate sales
**Price:** € 31.67
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm by substrate sales
- **How much does it cost?** € 31.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/177446514-bk7-optical-glass-disk-1-5-x-0-125-38)

## Best For

- substrate sales enthusiasts

## Why This Product

- Trusted substrate sales brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This round optical flat is the perfect choice for thin film coating witness samples. Other uses include laser windows, holography and gauge blocks, or whatever else you need a precision flat borosilicate glass disk for. Choose Substrate Sales optical glass to fulfill your witness coupon needs. Substrate Sales glass has undergone thorough quality control procedures including transmittance measurements using a Perkin Elmer spectrophotometer and checks for flatness using a monochromatic light source. Flatness and surface roughness are also confirmed used a Dektak stylus profilometer. This quality control process ensures you will receive the finest quality.

## Features

- BK7 glass
- λ/2 flatness (half wave @ 537nm)
- 1.5" inch diameter X 1/8 inch thickness
- polished on both sides
- Beveled edge

## Images

![BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm - Image 1](https://images-na.ssl-images-amazon.com/images/I/61bFFcpBc1L.jpg)
![BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm - Image 2](https://images-na.ssl-images-amazon.com/images/I/51Jfd-LgiCL.jpg)
![BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm - Image 3](https://images-na.ssl-images-amazon.com/images/I/61kc6q7zWDL.jpg)
![BK7 Optical Glass Disk 1.5" X 0.125" 38.1mm - Image 4](https://images-na.ssl-images-amazon.com/images/I/31WuL6oBelL.jpg)

---

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**Shop now:** [https://www.desertcart.pt/products/177446514-bk7-optical-glass-disk-1-5-x-0-125-38](https://www.desertcart.pt/products/177446514-bk7-optical-glass-disk-1-5-x-0-125-38)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-12*