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GB/T 22055-2022Microscopes - Interfacing dimensions for imaging components (English PDF)

显微镜成像部件的连接尺寸

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

April 15, 2022

Implementation date

November 1, 2022

Scope

GB/T 22055-2022 is the English-translated version of 显微镜成像部件的连接尺寸.

GB/T 22055-2022 is the Chinese standard "Microscopes - Interfacing dimensions for imaging components". Its scope clause reads: This document specifies the terms and definitions, requirements and markings for connection dimensions of microscope imaging components.

This document applies to the design, manufacture and quality assessment of microscopes. Its clauses include terms and definitions.

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Document preview — GB/T 22055-2022

National Standard of the People's Republic of China

Classification: N 32

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Requirements
5 mark
Appendix A (Informative) Examples of Various Dimensions Used in Infinity Imaging Correction Systems
Appendix B (informative) Example of the effect of cover glass thickness on focal distance
Appendix C (Informative) Requirements and Recommendations for Objectives and Tube Lenses Used by Manufacturers and Users

1 Scope

This document specifies the terms and definitions, requirements and markings for connection dimensions of microscope imaging components.

This document applies to the design, manufacture and quality assessment of microscopes.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 27668.1 Microscopy Terminology Part 1.Optical Microscopy (GB/T 27668.1-2011, ISO 10934-1.2002,

MOD)

3 Terms and Definitions

The terms and definitions defined in GB/T 27668.1 and the following apply to this document.

3.1 l1

The spatial distance between the positioning surface of the objective lens and the object plane (that is, the surface without covering the object) when the microscope is in working state.

NOTE. See Figure 1, Figure 2 and footnote b in Table 1.

[Source. GB/T 27668.1-2011, 3.79.2.4, with modifications]

3.2 l2

The spatial distance between the objective lens positioning surface (objective barrel or converter) and the primary image surface.

Note 1.The usual value is 150mm or infinity.

Note 2.See Figure 1, Figure 2 and Table 1.

[Source. GB/T 27668.1-2011, 3.79.2.1, with modifications]

3.3 fNTL

The focal length of the special tube lens that comes into play when designing infinity-corrected objectives.

NOTE. See Figure 2.

3.4 mechanicaltubelength

Spatial distance between the positioning surface of the objective lens on the converter and the positioning surface of the eyepiece on the observation tube. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 10934

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