ISO 19012-4:2024

International
Standard
ISO 19012-4
First edition
Microscopes — Designation of
2024-05
microscope objectives —
Part 4:
Polarization characteristics
Microscopes — Désignation des objectifs de microscope —
Partie 4: Caractéristiques de polarisation
PROOF/ÉPREUVE
Reference number
ISO 19012-4:2024(en) © ISO 2024

---------------------- Page: 1 ----------------------
ISO 19012-4:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
PROOF/ÉPREUVE
© ISO 2024 – All rights reserved
ii

---------------------- Page: 2 ----------------------
ISO 19012-4:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 1
4.1 General .1
4.2 Extinction ratio .1
4.3 Definition of objectives named POL, PO or P .2
4.4 Measurement procedure .2
4.4.1 General .2
4.4.2 Measurement environment .2
4.4.3 Microscope settings .2
4.4.4 Measurement of extinction ratio .3
Bibliography . 5
PROOF/ÉPREUVE
© ISO 2024 – All rights reserved
iii

---------------------- Page: 3 ----------------------
ISO 19012-4:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizat
...

Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Date: 2024-03-05
Style Definition
...
Style Definition
...
ISO/PRF 19012-4:2024(en)
Style Definition
...
Style Definition
...
ISO/TC 172/SC 5/WG9
Style Definition
...
Secretariat: DIN
Style Definition
...
Style Definition
...
Date: 2024-xx
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Microscopes — Designation of microscope objectives — —
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Part 4:
Style Definition
...
Polarization characteristics
Style Definition
...
Style Definition
...
Microscopes — Désignation des objectifs de microscope — —
Style Definition
...
Partie 4: Caractéristiques de polarisation
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...

Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...
Style Definition
...

---------------------- Page: 1 ----------------------
ThisPROOF

---------------------- Page: 2 ----------------------
ISO /PRF 19012-4:2024(en)
Formatted: Font: Bold
Formatted: Font: Bold
Formatted: Font: Bold, English (United Kingdom)
© ISO document is a working draft2024
Formatted: HeaderCentered, Space After: 0 pt
Formatted: Left: 1.5 cm, Right: 1.5 cm, Gutter: 0 cm,
All rights reserved. Unless otherwise specified, or committee draft and is copyright-protected by ISO. While required in
Header distance from edge: 1.27 cm
the reproductioncontext of working drafts or committee drafts in any form for use by participants in the ISO standards
Formatted: French (France)
development process is permitted without prior permission from ISO, neither its implementation, no part of this
document nor any extract from itpublication may be reproduced, stored or utilized otherwise in any form or transmitted Formatted: Indent: Left: 0 cm, Right: 0 cm, Space After:
0 pt, Line spacing: single, Adjust space between Latin
in any form for any other purposeby any means, electronic or mechanical, including photocopying, or posting on the
and Asian text, Adjust space between Asian text and
internet or an intranet, without prior written permission from ISO. Permission can be requested from either ISO at the
address below or ISO’s member body in the country of the requester.
Requests for permission to reproduce this document for the purpose of selling it should be addressed as shown below
or to ISO's member body in the country of the requester:
[Indicate the full address, telephone number, fax number, telex number, and electronic mail address, as appropriate,
of the Copyright Manager of the ISO member body responsible for the secretariat of the TC or SC within the framework
of which the working document has been prepared.]
Reproduction for sales purposes may be subject to royalty payments or a licensing agreement.
Violators may be prosecuted.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
E-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland
Formatted: FooterPageRomanNumber
ii © ISO 2024 – All rights reserved
© ISO 2024 – All rights reserved
ii

---------------------- Page: 3 ----------------------
ISO/PRF 19012-4:2024(en)
Formatted: Font: 11 pt
Formatted: Font: 11 pt
Formatted: HeaderCentered, Left, Space After: 0 pt, Line
spacing: single, Tab stops: Not at 0.71 cm
Contents Page
Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers, Tab stops:
Foreword . iv
Not at 0.71 cm
Introduction . v
1 Scope . 1
2 Normative references .
...