BS ISO 14490-9:2019

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Optics and photonics. Test methods for telescopic systems Test methods for field curvature (British Standard)

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.

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Optics and photonics. Test methods for telescopic systems Test methods for field curvature (British Standard)

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BS ISO 14490-9:2019

Optics and photonics. Test methods for telescopic systems Test methods for field curvature (British Standard)

Are the documents at the ANSI Webstore in electronic Adobe Acrobat PDF format only?

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