0 Items
My account
Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

ISO 9848:1993

Photography — Source document microfilms — Determination of ISO speed and ISO average gradient

Apr 29, 1993
95.99   Withdrawal of Standard   Nov 19, 2003

General information

95.99     Nov 19, 2003

ISO

ISO/TC 42

International Standard

37.040.20     37.080  

French   English  

Buying

Withdrawn

Language in which you want to receive the document.

Scope

The method of determination specified is based on exposing and processing samples, measuring density from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO average gradient. Applies to black-and-white camera negative photographic films used for first generation microfilming of source documents at exposure times typically found with tungsten sources.

Life cycle

NOW

WITHDRAWN
ISO 9848:1993
95.99 Withdrawal of Standard
Nov 19, 2003

CORRIGENDA / AMENDMENTS

WITHDRAWN
ISO 9848:1993/Cor 1:1994

REVISED BY

PUBLISHED
ISO 9848:2003