ISO 4854:1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
07-16-2021
English, French
05-01-1981
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.
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