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Precision Round Windows SKU: 220-0293M
• Manufactured from high quality UV FS and BK7 • Precision polished on both surfaces and held parallel up to 3 arcsec Precision rectangular windows are designed to be used in precision optical systems. Windows have high optical transmission with little distortion of the…
Variant specifications
| Specification | Value |
|---|---|
| Material | BK7 |
| Diameter | 25.0 mm |
| Thickness T | 10 mm |
| Flatness | λ/10 |
| Parallelism | 3 arcsec |
Shared product specifications
These specifications apply across the Precision Round Windows product family.
| Material | BK7, UV FS |
| Surface quality | 20-10 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | >90% of the diameter |
| Diameter tolerance | +0.00, -0.12 mm |
| Thickness tolerance | ±0.2 mm |
| Surface flatness | λ / 10 or λ / 4 @633 nm |
| Parallelism | <30 arcsec; or <3 arcsec; or <1arcmin |
Variant files
Technical drawings, models and data files for SKU 220-0293M.
Product brochures
Shared documentation for the complete product family.