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GB/T 10072-2025 English PDF

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Q: Should I purchase the latest version GB/T 10072-2025?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10072-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 10072-2025: Specifications of electronic flash equipments for photograph
Status: Valid

GB/T 10072: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10072-2025	279	Add to Cart	3 days	Specifications of electronic flash equipments for photograph	Valid
GB/T 10072-2003	209	Add to Cart	3 days	Specifications of electronic flash equipment for photograph	Valid
GB/T 10072-1988	279	Add to Cart	3 days	Specifications of electronic flash equipments for photograph	Obsolete

Basic data

Standard ID: GB/T 10072-2025 (GB/T10072-2025)
Description (Translated English): Specifications of electronic flash equipments for photograph
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N46
Classification of International Standard: 37.040.10
Word Count Estimation: 14,132
Date of Issue: 2025-08-29
Date of Implementation: 2026-03-01
Older Standard (superseded by this standard): GB/T 10072-2003
Issuing agency(ies): State Administration for Market Regulation, National Standardization Administration

GB/T 10072-2025: Specifications of electronic flash equipments for photograph

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT10072-2025
ICS 37.040.10 CCSN46 National Standard of the People's Republic of China Replaces GB/T 10072-2003 Technical specifications for electronic flash devices for photographic use Released on August 29, 2025 Implementation on March 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 Technical Requirements 2 6 Test Method 4 7 Inspection Rules 6 8 Marking, packaging, transportation and storage 7 Preface 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 replaces GB/T 10072-2003 “Technical requirements for electronic flash devices for photography”. Compared with GB/T 10072-2003, In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the technical requirements for "correlated color temperature" (see 5.10, 4.10 of the.2003 edition); --- Changed the technical requirements for "flash durability" (see 5.11, 4.11 of the.2003 edition); --- Deleted the relevant technical requirements and test methods for "flash leakage rate" (see 4.11.1 and 5.4.10 of the.2003 edition); --- Added technical requirements and corresponding test methods for "impact resistance" and "drop resistance" (see 5.14, 5.15, 6.4. 14, 6.4.15). 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 Photographic Machinery (SAC/TC107). This document was drafted by. Hangzhou Photographic Machinery Research Institute Co., Ltd., Hangzhou Guozhao Testing Technology Co., Ltd., Dace Technology (Guangzhou) Co., Ltd. Co., Ltd. and Fujian Bailing Film and Television Technology Co., Ltd. The main drafters of this document are Ren Sen, Gao Ting, Liu Yuezhan, Hu Xiaoying, Ge Shiqing, Cheng Yifan, Wang Jun, and Zhan Xiaohong. The previous versions of this document and the documents it replaces are as follows. --- First published as GB/T 10072-1998 in.1998, first revised in.2003; ---This is the second revision. Technical specifications for electronic flash devices for photographic use

1 Scope

This document specifies the technical requirements for electronic flash devices for photographic use, describes the corresponding test methods, and stipulates the inspection rules, marking, packaging, etc. Packaging, transportation and storage, etc. This document applies to the manufacture of external electronic flash devices that provide main light or fill light for camera photography. This document does not apply to high-power studio flash units.

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. GB/T 13987-2025 Determination of the guide number for electronic flash devices used in photography JB/T 13702.1 Camera environmental testing Part 1.High and low temperature tests JB/T 13702.2 Camera environmental testing Part 2.Vibration test JB/T 13702.3 Environmental testing for cameras Part 3.Impact test JB/T 13702.5 Environmental testing for cameras Part 5.Free drop test JB/T 14302 Packaging, transportation, storage conditions and test methods for photographic machinery

3 Terms and Definitions

The terms and definitions defined in GB/T 13987-2025 and the following apply to this document. 3.1 light output The integral of the luminous intensity of the flash device in the direction of the reflector axis over time. Note. The unit of light output is candela second (cd·s). 3.2 Readyindication An indication signal that the flash unit is charged to the point where it can fire a flash. 3.3 Flash index guide number; GN NGN Related to the ISO sensitivity of the film or digital camera used, the camera's required sensitivity to obtain the proper exposure for the film or image sensor. The product of the lens aperture (F-number) and the distance from the flash light source to the subject. Note. The flash guide number is a measure of the amount of light emitted by a flash, measured in meters (m). [Source. GB/T 13987-2025, 3.1] 3.4 ready number GN (3.3) measured when the preparatory indication (3.2) starts to be displayed. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 10072-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 10072-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 10072-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 10072-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 10072-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10072-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.