Optics and optical instruments. Test methods for telescopic systems - Test methods for binocular systems Ingestion-build-143074 Such DDRs ensure a complete

Such DDRs ensure a complete and exact understanding of the data and allow it to be interpreted in an automated fashion

you can enhance the efficacy and standardise the performance of D

With the help of ISO 1518‑1

Almost all definitions are now given either in EN 1540

Optics and optical instruments. Test methods for telescopic systems - Test methods for binocular systems Ingestion-build-143074 Such DDRs ensure a complete1 Scope This part of ISO 14490 is applicable to binocular telescopic systems and specifies the test methods for determination of the following characteristics: non parallelism of the axes of bundles of rays emergent from the eyepieces; interpupillary distance; relative difference in magnification; focusing difference between telescopes of binocular systems.