Features:
- Constructed of highly polished, lapped optical-grade glass
- Inspect the flatness of metal, ceramic and other materials
- Supplied in a fitted wooden case
When used with monochromatic light, a Mitutoyo optical parallel can determine the measuring surface parallelism within 0.2µm/.000008″ and flatness within 0.1µm/.000004″ on micrometers. Optical parallels are precision polished and lapped for exceptional flatness in Japanese factories.
Technical Details
| Inch-Metric | Metric |
| Length (L) | 12 mm |
| Diameter (D) | 45 mm |
| Flatness | 0,2 µm |
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