Historical
ISO 4854:1981
Personal eye-protectors - Optical test methods
Specifies the optical test methods the requirements for which are given in ISO 4849 to ISO 4853. The other test methods are given in ISO 4855. The following tests are described: test for refractive, astigmatic and prismatic powers, diffusion test, test for quality of material and surface, determination of transmittance. Annex A describes testing of unmounted oculars. Annexes B and C describe two other optional methods for prismatic power measurement.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]
