Optics and photonics. Test methods for telescopic systems - Test methods for field curvature Ingestion-build-132972 verification of the sealing performance

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Optics and photonics. Test methods for telescopic systems - Test methods for field curvature Ingestion-build-132972 verification of the sealing performance1 Scope This document 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.