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Single Surface Optical Flat
Diameter (mm) Thickness (mm) Material Lambda/10 Lambda/20
Catalog No. Catalog No.
25 12.5 BK7 GF11-025 GF12-025
25 12.5 Fused Silica GF21-025 GF22-025
25 12.5 Zerodur GF31-025 GF32-025
30 15 BK7 GF11-030 GF12-030
30 15 Fused Silica GF21-030 GF22-030
30 15 Zerodur GF31-030 GF32-030
50 15 BK7 GF11-050 GF12-050
50 15 Fused Silica GF21-050 GF22-050
50 15 Zerodur GF31-050 GF32-050
75 20 BK7 GF11-075 GF12-075
75 20 Fused Silica GF21-075 GF22-075
75 20 Zerodur GF31-075 GF32-075
100 20 BK7 GF11-100 GF12-100
100 20 Fused Silica GF21-100 GF22-100
100 20 Zerodur GF31-100 GF32-100
150 25 BK7 GF11-150  
150 25 Fused Silica GF21-150  
150 25 Zerodur GF31-150  
200 38 BK7 GF11-200  
200 38 Fused Silica GF21-200  
200 38 Zerodur GF31-200