Lens Data report Mar 5, 2013 4:43:00 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by laurent on Mar 5, 2013 4:43:00 GMT -5 In the test report for the achromatic lenses, the Zernike coefficients are (I think) in wavelength unit. At what wavelength are these measurements done ?