Standard

ISO 4851:1979

Feb 1979 Withdrawn

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Abstract

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.

Products specifications

Standard from ISO
Published: February 1 1979
Withdrawn: March 2 2021
Period for objection until: October 18 1977
Edition: 1
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 13.340.20
International TC: ISO/TC 94/SC 6

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Revised by: ISO 16321-1:2021

ISO 4851:1979

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Abstract

Products specifications

Product Relations

Product life cycle