ISO Standards ISO 14490-5-2021 pdf free download – Optics and photonics — Test methods for telescopic systems — Part 5: Test methods for transmittance ISO 14490-5-2021 pdf free download - Optics and photonics — Test methods for telescopic systems — Part 5: Test methods for transmittance. 5.2 Radiation source and condenser The radiation source shall emit a continuous flux of radiation... 02-09 Download Now