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GB/T 46573-2025Industrial lenses - Classification and interface dimensions (English PDF)

工业镜头　分类与接口尺寸

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46573-2025 is the English-translated version of 工业镜头　分类与接口尺寸.

GB/T 46573-2025 is the Chinese standard "Industrial lenses - Classification and interface dimensions". Its scope clause reads: This document defines the terminology for industrial lenses, provides a classification of industrial lenses, and specifies the interface dimensions for industrial lenses.

This document applies to the design, production, and trade of industrial lenses. Its clauses include terms and definitions; industrial lens classification.

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Document preview — GB/T 46573-2025

National Standard of the People's Republic of China

ICS: 37.040.10
Classification: N 43

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Industrial Lens Classification
4.1 Overview
4.2 Classification by Lens Interface
4.3 Classification by Focal Length Variation
4.4 Classification by Multiplier Change
4.5 Classification by Wavelength
4.6 Classification by Resolution
4.7 Classification by Application Scenarios
5 Industrial lens interface dimensions
5.1 Lens mount size
5.2 Imaging Surface Size of Industrial Lens Interface
References

1 Scope

This document defines the terminology for industrial lenses, provides a classification of industrial lenses, and specifies the interface dimensions for industrial lenses.

This document applies to the design, production, and trade of industrial lenses.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 196 Basic Dimensions of Ordinary Threads

GB/T 197 Tolerances for Standard Threads

GB/T 13964 Photographic Machinery Terminology

3 Terms and Definitions

The terms and definitions defined in GB/T 13964 and the following terms and definitions apply to this document.

3.1 industrial lenses

Lenses suitable for industrial imaging systems, meeting the application needs of different machine vision scenarios.

3.2 telecentric lens

Lenses with entrance pupil and/or exit pupil located at infinity, principal rays parallel to the optical axis, and employing telecentric optical paths or telecentric optical systems.

3.3

Lenses with constant working distance and magnification.

3.4 Zoom Lens

An optical lens with a constant working distance, which allows the magnification to vary within a certain range by moving a single lens or a group of lenses.

3.5 Turning angle lens

The object plane and the image plane are at 90° to each other, and the lens is folded by adding a folding accessory or the internal optical path of the lens.

4 Industrial Lens Classification

4.1 Overview

Industrial lenses are classified as shown in Table 1.

DY/T 8 | GB/T 47016 | GB/T 29297 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 46573

Edition	Title	Revision	Status
GB/T 46573-2025	Industrial lens - Classification and interface dimensions	current edition	Current

This page sells the current edition, GB/T 46573-2025. Earlier editions are listed for reference only.

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