Optical Flats
Produced from Quartz, Kemet Optical Flats are available in single and double sided, 1/4 light band or 1/10 light band accuracy. Standard sizes from 25mm up to 300mm diameter. They are supplied with Certificate of Conformity together with full instructions. National Physical Laboratory Certificates are also available. Special optical flats are available on request. Kemet offers an optical flat reconditioning and calibration service.
We can also provide reconditioning of Optical Flats, please contact us for a quote.
Quartz Optical Flats - single sided | |
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Diameter | Code |
25mm | 361220 |
50mm | 361222 |
75mm | 361224 |
100mm | 361226 |
125mm | 361228 |
150mm | 361123 |
200mm | 361232 |
250mm | 361234 |
300mm | 361218 |
Quartz Optical Flats - double sided | |
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Description | Code |
25mm | 361237 |
50mm | 361215 |
75mm | 361705 |
100mm | 361210 |
125mm | 361242 |
150mm | 361216 |
200mm | 361219 |
250mm | 361217 |
300mm | 361246 |
Optical flats accurate to 1/8 light band available upon request
Related products for Optical Flats

Optical Flat Cleaning and Care Kit
This Kit is used for cleaning Optical Flats. Taking special care of these will ensure accuracy and long service. Product Code 362555
Optical Flat Stands
Stands for large optical flats (250mm diameter and above) for protection of optical flat.