ISO 14490-1:2005

ISO 14490-1:2005 Optics and optical instruments - Test methods for telescopic systems - Part 1: Test methods for basic characteristics

standard by International Organization for Standardization, 10/15/2005

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ISO 14490-1:2005 specifies the test methods for the determination of the following basic characteristics of telescopic systems and observational telescopic instruments: * angular magnification; * entrance pupil diameter; * exit pupil diameter and eye relief; * angular field of view in the object space; * angular field of view in the image space; * angular field of view in the object space for spectacle wearers; * collimation of the bundle of rays emergent from the eyepiece; * image rotation; * closest distance of observation.