ISO 14490-3:2021

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ISO 14490-3:2021 is an international standard that specifies test procedures and equipment for measuring the optical characteristics of telescopic sights. These characteristics include: axial parallax, eye relief, reticle tracking, line of sight shift due to focusing, and line of sight shift due to zooming.

ISO 14490-3:2021 - Optics and photonics — Test methods for telescopic systems — Part 3: Test methods for telescopic sights. Occupational health and safety.