Standard

ISO 4851:1979

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Gives the numbering of and transmittance requirements for filters. It defines guidance and their selection and use. Optical test methods form the subject of ISO 4854. Non-optical test methods form the subject of ISO 4855. The symbol for filters includes a code number and the shade number corresponding to the filter. The determination of transmittance is described in clause 5 of ISO 4854.

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  • Standard fra ISO
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  • Tilbaketrukket:
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  • Utgave: 1
  • Versjon: 1
  • Varetype: IS
  • ICS 13.340.20
  • ISO TC ISO/TC 94/SC 6

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