ISO 11884-2:2007
(Main)Optics and photonics - Minimum requirements for stereomicroscopes - Part 2: High performance microscopes
Optics and photonics - Minimum requirements for stereomicroscopes - Part 2: High performance microscopes
ISO 11884-2:2007 specifies minimum requirements for high performance stereomicroscopes. It is not applicable to operation microscopes.
Optique et photonique — Exigences minimales pour les stéréomicroscopes — Partie 2: Microscopes à hautes performances
General Information
- Status
- Published
- Publication Date
- 14-Jan-2007
- Technical Committee
- ISO/TC 172/SC 5 - Microscopes and endoscopes
- Drafting Committee
- ISO/TC 172/SC 5 - Microscopes and endoscopes
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 16-Sep-2024
- Completion Date
- 13-Dec-2025
Relations
- Consolidated By
ISO 17075-1:2017 - Leather - Chemical determination of chromium(VI) content in leather - Part 1: Colorimetric method - Effective Date
- 06-Jun-2022
- Effective Date
- 15-Apr-2008
Overview
ISO 11884-2:2007 - Optics and photonics - Minimum requirements for stereomicroscopes - Part 2: High performance microscopes specifies minimum technical, environmental and safety requirements for high performance stereomicroscopes. Published in 2007 (second edition), it applies to type testing and product specification; it is explicitly not applicable to operation microscopes. The standard sets objective criteria for optical/mechanical performance, environmental robustness, testing methods and accompanying documentation.
Key Topics and Requirements
- Optical and mechanical specifications (Table 1)
- Total magnification tolerance: ±7.5%
- Difference between left and right optical systems: ≤1.5% (magnification) and specified angular tolerances (e.g., vertical ≤15′)
- Centre alignment limits for primary image and eyepiece diaphragm differences (millimetre-level tolerances)
- Focus shift with magnification change and depth-of-field requirements (depth-of-field formula referenced)
- Minimum resolution in the field centre: 2 500 × NA line pairs/mm (specified in the standard)
- Eyepiece adjustments: interpupillary distance 55–75 mm, dioptre adjustment +5 D to –5 D
- Environmental conditions
- Conditions of use: Temperature +10 °C to +40 °C, relative humidity ≤85%, atmospheric pressure 700–1 060 hPa, shock 10 g/6 ms.
- Storage and transport limits defined (e.g., transport: –40 °C to +70 °C, sinusoidal vibration and shock/bump severity).
- Safety and testing
- Safety testing to IEC 61010-1.
- Type tests and measurement procedures referenced to ISO 15227 (stereomicroscope testing) and environmental methods in ISO 9022.
- Measurement devices used for verification must have errors <10% of measured value; statistical evaluation required.
- Documentation and marking
- Instruments must include user, cleaning and maintenance instructions; marking as per ISO 11883.
Applications and Practical Value
- Use ISO 11884-2:2007 when specifying, designing, or accepting high performance stereomicroscopes for industrial inspection, materials science, micro-assembly, life-science sample preparation and quality assurance.
- Practical applications include: product type testing, supplier qualification, procurement specifications, design validation, and environmental/transport robustness verification.
- It helps buyers ensure optical alignment, resolution, focus stability and mechanical tolerances meet repeatable performance targets.
Who Uses This Standard
- Optical and microscope manufacturers, R&D and quality engineers, test laboratories, procurement professionals, and calibration teams working with stereomicroscope equipment.
Related Standards
- ISO 11884-1 (Stereomicroscopes for general use)
- ISO 7944 (Reference wavelengths)
- ISO 9022 series (Environmental test methods)
- ISO 11883 (Marking of stereomicroscopes)
- ISO 10934-1 (Microscopy vocabulary)
- ISO 15227 (Testing of stereomicroscopes)
- IEC 61010-1 (Electrical safety requirements)
Keywords: ISO 11884-2:2007, stereomicroscope, high performance microscopes, minimum requirements, optics and photonics, environmental tests, ISO 15227, ISO 9022, IEC 61010-1.
Frequently Asked Questions
ISO 11884-2:2007 is a standard published by the International Organization for Standardization (ISO). Its full title is "Optics and photonics - Minimum requirements for stereomicroscopes - Part 2: High performance microscopes". This standard covers: ISO 11884-2:2007 specifies minimum requirements for high performance stereomicroscopes. It is not applicable to operation microscopes.
ISO 11884-2:2007 specifies minimum requirements for high performance stereomicroscopes. It is not applicable to operation microscopes.
ISO 11884-2:2007 is classified under the following ICS (International Classification for Standards) categories: 37.020 - Optical equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 11884-2:2007 has the following relationships with other standards: It is inter standard links to ISO 17075-1:2017, ISO 11884-2:1997. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 11884-2:2007 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 11884-2
Second edition
2007-02-01
Optics and photonics — Minimum
requirements for stereomicroscopes —
Part 2:
High performance microscopes
Optique et photonique — Exigences minimales pour les
stéréomicroscopes —
Partie 2: Microscopes à hautes performances
Reference number
©
ISO 2007
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© ISO 2007
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ii © ISO 2007 – All rights reserved
Contents Page
Foreword. iv
1 Scope. 1
2 Normative references. 1
3 Terms and definitions. 1
4 Requirements. 1
5 Test methods. 4
6 Accompanying documents. 4
7 Marking. 4
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 organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11884-2 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 5,
Microscopes and endoscopes.
This second edition cancels and replaces the first edition (ISO 11884-2:1997), which has been technically
revised.
ISO 11884 consists of the following parts, under the general title Optics and photonics — Minimum
requirements for stereomicroscopes:
⎯ Part 1: Stereomicroscopes for general use
⎯ Part 2: High performance microscopes
iv © ISO 2007 – All rights reserved
INTERNATIONAL STANDARD ISO 11884-2:2007(E)
Optics and photonics — Minimum requirements
for stereomicroscopes —
Part 2:
High performance microscopes
1 Scope
This part of ISO 11884 specifies minimum requirements for high performance stereomicroscopes. It is not
applicable to operation microscopes.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 7944, Optics and optical instruments — Reference wavelengths
ISO 9022-2, Optics and optical instruments — Environmental test methods — Part 2: Cold, heat and humidity
ISO 9022-3, Optics and optical instruments — Environmental test methods — Part 3: Mechanical stress
ISO 11883, Optics and optical instruments — Microscopes — Marking of stereomicroscopes
ISO 10934-1, Optics and optical instruments — Vocabulary for microscopy — Part 1: Light microscopy
ISO 15227, Optics and optical instruments — Microscopes — Testing of stereomicroscopes
IEC 61010-1:2001, Safety requirements for electrical equipment for measurement, control and laboratory
use — Part 1: General requirements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 10934-1 apply.
4 Requirements
All the indications given below are minimum requirements. They apply to the reference wavelength in
accordance with ISO 7944.
4.1 Optical and mechanical specifications
The specifications given in Table 1 shall apply.
Testing shall be done in accordance with 5.1.
Table 1 — Requirements for optical and mechanical specif
...




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