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GB/T 43846.2-2024: Microscopes - Designation of microscope objectives - Part 2: Chromatic correction
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Microscopes - Designation of microscope objectives - Part 2: Chromatic correction
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GB/T 43846.2-2024
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Basic data | Standard ID | GB/T 43846.2-2024 (GB/T43846.2-2024) | | Description (Translated English) | Microscopes - Designation of microscope objectives - Part 2: Chromatic correction | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N32 | | Classification of International Standard | 37.020 | | Word Count Estimation | 10,135 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43846.2-2024: Microscopes - Designation of microscope objectives - Part 2: Chromatic correction
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 37:020
CCSN32
National Standards of People's Republic of China
Nomenclature of microscope objectives
Part 2: Chromatic Aberration Correction
Part 2: Chromatic correction
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Requirements 1
Appendix A (Informative) Depth of field δob 3
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document is Part 2 of GB/T 43846 "Nomenclature of microscope objectives": GB/T 43846 has been published for the following
part:
--- Part 1: Image field flatness/flat field;
--- Part 2: Chromatic aberration correction;
--- Part 3: Spectral transmittance:
This document is modified to adopt ISO 19012-2:2013 "Microscopes - Nomenclature of microscope objectives - Part 2: Correction for chromatic aberration":
The technical differences between this document and ISO 19012-2:2013 and their reasons are as follows:
--- The introduction to the chapter "Terms and Definitions" replaces the obsolete ISO 10934-1 with ISO 10934;
--- Deleted "---This mark does not apply to objective lenses sold before:2011;" in 4:2:1 to comply with Chinese standards
Habit:
The following editorial changes were made to this document:
--- Added Appendix A table number and introductory words, and changed the header format;
---Removed references:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the China Machinery Industry Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Optics and Photonics (SAC/TC103):
This document was drafted by: Ningbo Yongxin Optical Co:, Ltd:, Nanjing Donglilai Optoelectronics Industry Co:, Ltd:, Ningbo Teaching Instrument Co:, Ltd:
Instrument Co:, Ltd:, Motic Industrial Group Co:, Ltd:, Shanghai Qianxin Instrument Co:, Ltd:, Shanghai University of Technology, Shanghai Optical Instrument Research Institute
Institute, Guangzhou Mingmei Optoelectronics Technology Co:, Ltd:, Jiangxi Lianchuang Electronics Co:, Ltd:, Shanghai Xiongbo Precision Instrument Co:, Ltd:, Shanghai Beiang
Pharmaceutical Technology Co:, Ltd:, Guangzhou Jinghua Precision Optics Co:, Ltd:, Suzhou Ruifei Optoelectronics Technology Co:, Ltd:, Ningbo Huaguang Precision
Mi Instrument Co:, Ltd:, Wuzhou Aoka Optical Instrument Co:, Ltd:, Guangzhou Yuexian Optical Instrument Co:, Ltd:, Ningbo Zhanjing Optical Instrument Co:, Ltd:
Co:, Ltd:, Nanjing Jiangnan Yongxin Optical Co:, Ltd:, Jiangxi Phoenix Optical Technology Co:, Ltd:, Ningbo Sunny Optical Instrument Co:, Ltd:, Chongqing Chongguang
Co:, Ltd:, China University of Metrology, Shenzhen Aike Science Education Technology Co:, Ltd:, and Weiyi Optoelectronics (Tianjin) Co:, Ltd:
The main drafters of this document are: Cui Zhiying, Hong Yiping, Wang Guorui, Chen Muwang, Hua Yue, Zhang Wei, Feng Qionghui, Zhang Chunwang, Zeng Jiyong, Zhu Yongjin,
Cui Yufeng, He Jian, Wan Xinjun, Kong Yanbo, Zhang Tao, Xu Tao, Gan Linchao, Yao Chen, Gao Bo, Hu Senhu, Liu Qianli, Zhang Shuqin, Zhang Qian, and Zhang Chang:
Introduction
With the rapid development of various scientific and technological fields at home and abroad, microscopes are widely used in scientific research, teaching, medical care and industrial manufacturing:
In the optical system, the microscope objective is an important part of various types of optical microscopes: It is the first light to form an image of an object:
It is an important component to ensure the clear imaging of the microscope: Therefore, when designing and naming the microscope objective, it is necessary to consider the microscope
The relevant parameters and functions of the lens and objective lens enable the optical microscope to function normally in various applications, thus ensuring the optical microscope product
design, quality and application, promote coordination among enterprises and improve production efficiency:
In view of the above reasons, it is very important to standardize and normalize the naming of microscope objectives according to the relevant parameters and functions of different types of objectives:
Very necessary:
GB/T 43846 "Nomenclature of microscope objectives" contains the relevant terms, signs, logos and requirements of objectives, and is based on
Objective lenses are named according to their parameters and functions: GB/T 43846 is divided into three parts:
--- Part 1: Image field flatness/flat field: The purpose is to specify the use of the "flat field" mark on the microscope objective and define the flat field:
The diameter of the clear image area on the object's surface:
--- Part 2: Chromatic aberration correction: The purpose is to specify the categories of chromatic aberration correction and the minimum requirements for chromatic aberration correction:
--- Part 3: Spectral transmittance: The purpose is to specify the way in which optical designers and microscope users describe the spectral transmittance of objectives:
Nomenclature of microscope objectives
Part 2: Chromatic Aberration Correction
1 Scope
This document specifies the categories of chromatic aberration correction and the minimum requirements for chromatic aberration correction:
This document applies to visual observations using objective and tube lens combinations specified by the manufacturer:
The requirements for chromatic aberration correction in this document only concern axial chromatic aberration:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
Note: GB/T 27668-2023 Microscopes - Optical microscopy - Terminology (ISO 10934:2020, MOD):
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in ISO 10934 and the following apply:
3:1
Reference wavelength referencewavelength
The wavelength is 546:07nm (e line):
3:2
blue wavelengthbluewavelength
The wavelength is 479:99nm (F' line):
3:3
red wavelength
The wavelength is 643:85nm (C' line):
3:4
focus
The optimal focusing point for each wavelength of light:
3:5
focus difference
The axial separation of the foci at different wavelengths:
4 Requirements
4:1 Basic criteria for depth of field
Formula (1) is the basic criterion for depth of field:
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