Quality Assurance

We take quality control very seriously: we rely on accurate, widely recognized measurement systems for testing our optics. The following table indicates the accuracy of measurement for the most relevant parameters. Surface figure: λ/20 Angle:      &nb ...Read more

We take quality control very seriously:

we rely on accurate, widely recognized 
measurement systems for testing our optics.



We take quality control very seriously: we rely on accurate, widely recognized measurement systems for testing our optics. The following table indicates the accuracy of measurement for the most relevant parameters.

Surface figure: λ/20

Angle:             0.5 arcsec

Radius:            0.01%

Focal length:    0.03%-0.3%

Centration:      +/-0.2µm or +/-2 arcsec

Wavelength:    +/-0.3nm (190-1100nm)