Name: NEN-ISO 14490-9:2019 en - Optics and photonics - Test methods for telescopic systems - Part 9: Test methods for field curvature
Brand: Netherlands Standards

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Optics and photonics - Test methods for telescopic systems - Part 9: Test methods for field curvature

Published date

01-10-2019

Publisher

Netherlands Standards

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NEN-ISO 14490-9 specifies the test method for the determination of the deviation from a flat image surface, i.e. the sagittal and tangential field curvature of telescopic systems and observational telescopic instruments.