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Contact SupplierPLANE AND SPHERICAL | ||
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Dimensional Tolerances | Diameter Thickness | +0.000”-0.005” +/-0.010” |
Parallelism | Plano Radius, Diameter < 1” Radius Diameter > 1” | <= 3 arc minutes <= 10 arc minutes <= 5 arc minutes |
Clear Aperture (polished) | 90% of diameter | |
Surface Figure (power/irregularity) at 0.63µm | Plano and Radius, r > 1 m | Power: 2 fringes Irregularity: 1 fringe |
Scratch-Dig | 10-5 |