2025-12-8 216.73.216.21
Code of China Chinese Classification Professional Classification ICS Classification Latest News Value-added Services

Position: Chinese Standard in English/JB/T 8248.2-2025
JB/T 8248.2-2025   (English Version)
Standard No.: JB/T 8248.2-2025 Status:to be valid remind me the status change

Email:

Target Language:English File Format:PDF
Word Count: Translation Price(USD): remind me the price change

Email:

Implemented on:2026-3-1 Delivery:

→ → →

,,2026-3-1,ACBFECBAD9EE9FE41757729896727
Standard No.: JB/T 8248.2-2025
Chinese Name: 照相镜头特性测量 第2部分:有效孔径和相对孔径的测量
Professional Classification: JB    Professional Standard - Machinery
Source Content Issued by: MIIT
Issued on: 2025-09-09
Implemented on: 2026-3-1
Status: to be valid
Superseding:JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses
Target Language: English
File Format: PDF
本文件描述了照相镜头有效孔径的测量方法和相对孔径的计算方法,规定了测量值记录要求。
本文件适用于照相镜头有效孔径和相对孔径的测量活动。
Code of China
Standard
JB/T 8248.2-2025   (English Version)
Standard No.JB/T 8248.2-2025
Statusto be valid
LanguageEnglish
File FormatPDF
Word Count words
Price(USD)
Implemented on2026-3-1
Deliveryvia email in business day
Detail of JB/T 8248.2-2025
Standard No.
JB/T 8248.2-2025
English Name
Chinese Name
照相镜头特性测量 第2部分:有效孔径和相对孔径的测量
Chinese Classification
Professional Classification
JB
ICS Classification
Issued by
MIIT
Issued on
2025-09-09
Implemented on
2026-3-1
Status
to be valid
Superseded by
Superseded on
Abolished on
Superseding
JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses
Language
English
File Format
PDF
Word Count
words
Price(USD)
Keywords
JB/T 8248.2-2025, JB 8248.2-2025, JBT 8248.2-2025, JB/T8248.2-2025, JB/T 8248.2, JB/T8248.2, JB8248.2-2025, JB 8248.2, JB8248.2, JBT8248.2-2025, JBT 8248.2, JBT8248.2
Introduction of JB/T 8248.2-2025
本文件描述了照相镜头有效孔径的测量方法和相对孔径的计算方法,规定了测量值记录要求。
本文件适用于照相镜头有效孔径和相对孔径的测量活动。
Contents of JB/T 8248.2-2025
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Beijing COC Tech Co., Ltd. 2008-2040
 
 
Keywords:
JB/T 8248.2-2025, JB 8248.2-2025, JBT 8248.2-2025, JB/T8248.2-2025, JB/T 8248.2, JB/T8248.2, JB8248.2-2025, JB 8248.2, JB8248.2, JBT8248.2-2025, JBT 8248.2, JBT8248.2