# ISO 19012-1:2011 — Withdrawn and superseded ISO standards

For ISO 19012-1:2011, item title is Microscopes — Designation of microscope objectives — Part 1: Flatness of field/Plan; status code is 9599; successor is ISO 19012-1:2013; withdrawn / published date is 2011-06-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 19012-1:2011 _(verified: appears in the quote below)_
- **Item title:** Microscopes — Designation of microscope objectives — Part 1: Flatness of field/Plan _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 19012-1:2013
- **Withdrawn / published date:** 2011-06-21 _(verified: appears in the quote below)_

## What the source says

> 57548,IS,,ISO 19012-1:2011,Microscopes — Designation of microscope objectives — Part 1: Flatness of field/Plan,Microscopes — Désignation des objectifs de microscope — Partie 1: Planéité du champ/Plan,2011-06-21,2,['37.020'],ISO/TC 172/SC 5,9599,[38933],[61652],['en'],6,"<p>ISO 19012-1:2011 specifies the use of the marking 'Plan' on microscope objectives, and defines the diameter of the sharp region of the primary image of a flat object surface. </p><p>ISO 19012-1:2011 applies to visual observation using the combination of objective lens, tube lens and eyepiece, as specified by the manufacturer.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).