Mirror Substrates Standard

Mirror Substrates High Tolerance

Material BK7 oder Fused Silica
Diameter 10-50mm
Diameter Tolerance    +0/-0.1mm  
Thickness 2-10mm
Thickness Tolerance
±0.2mm
Flatness     λ/10 @ 632.8mm  
Surface Quality 10/5
Parallelism <3 arc min  
Rear Surface Fine ground  
Bevel   <0.25mm x 45°  
Coatings   according to your specs