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GB/T 22059-2018: Microscopes -- Values, tolerances and symbols for magnification
Status: Valid GB/T 22059: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22059-2018 | English | 119 |
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Microscopes -- Values, tolerances and symbols for magnification
| Valid |
GB/T 22059-2018
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| GB/T 22059-2008 | English | 319 |
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Microscopes -- Magnifying power
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GB/T 22059-2008
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PDF similar to GB/T 22059-2018
Basic data | Standard ID | GB/T 22059-2018 (GB/T22059-2018) | | Description (Translated English) | Microscopes -- Values, tolerances and symbols for magnification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N32 | | Classification of International Standard | 37.020 | | Word Count Estimation | 6,644 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2019-07-01 | | Older Standard (superseded by this standard) | GB/T 22059-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 22059-2018: Microscopes -- Values, tolerances and symbols for magnification---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.
Microscopes--Values, tolerances and symbols for magnification
ICS 37.020
N32
National Standards of People's Republic of China
Replace GB/T 22059-2008
Microscope magnification values, tolerances, and symbols
(ISO 8039.2014, MOD)
Published on.2018-12-28
2019-07-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 22059-2008 "Microscope Magnification". This standard is mainly changed compared with GB/T 22059-2008
as follows.
--- Modified the standard name;
--- Chapter 2 normative reference file added GB/T 27668.1, deleted GB/T 321;
--- Chapter 3 was revised to "the terms and definitions defined in GB/T 27668.1 apply to this document" and deleted 3.1~3.9;
--- In Table 1, the lens barrel coefficient is changed to "barrel lens", the projection coefficient of the real image is deleted, and the "priority" and "replacement" in the representation are deleted.
Division
--- Removed the calculation method of Chapter 5;
--- Increase the value of 0.7 in Note 3 of Table 2;
--- Table 3 in the lens barrel coefficient changed to "barrel lens", the projection factor was changed to "projection lens";
--- Added references.
This standard uses the redrafting method to modify the ISO 8039.2014 "Microscope magnification values, tolerances and symbols".
There are technical differences between this standard and ISO 8039.2014, and the terms involved in these differences have been passed through the margins on the outer side of the page.
The vertical single line (|) is marked.
The main technical differences between this standard and ISO 8039.2014 are as follows.
--- Increased the scope of application of the standard;
---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, specific
The national standards are as follows.
● Replace ISO 10934-1 with GB/T 27668.1 modified to international standards.
This standard has made the following editorial changes.
--- Increase the value of 0.7 in Note 3 of Table 2 in Chapter 5.
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Optical and Photonics Standardization Technical Committee (SAC/TC103).
This standard is mainly drafted by. Ningbo Yongxin Optical Co., Ltd., Guangzhou Yuexian Optical Instrument Co., Ltd., Ningbo Teaching
Instrument Co., Ltd., Ningbo Zhanjing Optical Instrument Co., Ltd., Shanghai University of Technology, Nanjing Donglilai Optoelectronic Industry Co., Ltd., Luzhou
Card Optical Instrument Co., Ltd., McAudi Industrial Group Co., Ltd., Nanjing Jiangnan Yongxin Optical Co., Ltd., Ningbo Haoyu Instrument Co., Ltd., Ning
Bohuaguang Precision Instrument Co., Ltd.
The main drafters of this standard. Mao Lei, Xu Tao, Cui Zhiying, Wang Guorui, Xiong Shouyu, Huang Weijia, Zhang Huixian, Hong Yiping, Zhang Wei, Zhang Guangwei,
Li Wei, Hu Senhu, Xu Liming.
The previous versions of the standards replaced by this standard are.
---GB/T 22059-2008.
Microscope magnification values, tolerances, and symbols
1 Scope
This standard specifies the numerical series, tolerances and symbols of the magnification of imaging components of visible light microscopes and the several amplification systems used.
This standard applies to visible light microscopes.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 27668.1 Microscope 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 apply to this document.
4 imaging unit magnification symbol
See Table 1 for examples of symbols and representations that are recommended for magnification of imaging components and combinations thereof.
Table 1 Magnification symbol and representation
Part symbol representation
Objective lens
a) The initial image distance correction is limited
b) The initial image distance correction is infinity
M0
M0∞
M0=25.1
M0∞=25×
25.1 or 25
25×
Eyepiece ME ME=10× 10×
Lens barrel lens qq=1.25× 1.25
Projection lens MPHOT MPHOT=2.5.1 2.5.1
Total microscope magnification
a) visual observation
b) real image
MTOTVIS
MTOTPROJ
MTOTVIS=500×
MTOTPROJ=500.1
500×
500.1
5 Magnification values and tolerances
5.1 Magnification value
The value of the imaging component or imaging system magnification should be one of the values listed in Table 2, the product of the quotient of any two numbers in this table.
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