GB/T 17117-2008 English PDF

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GB/T 17117-2008: Binoculars
Status: Valid

GB/T 17117: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17117-2008	259	Add to Cart	3 days	Binoculars	Valid
GB/T 17117-1997	399	Add to Cart	3 days	Prism binoculars	Obsolete

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Basic data

Standard ID: GB/T 17117-2008 (GB/T17117-2008)
Description (Translated English): Binoculars
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N31
Classification of International Standard: 37.020
Word Count Estimation: 11,143
Date of Issue: 2008-12-30
Date of Implementation: 2009-08-01
Older Standard (superseded by this standard): GB/T 17117-1997; GB/T 17118-1997
Quoted Standard: GB/T 1185; GB/T 2828.1; GB/T 2829; GB/T 18312-2001
Regulation (derived from): Announcement of Newly Approved National Standards No. 25 of 2008 (total 138)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the classification of binoculars, requirements, test methods, inspection rules, marking, packaging, storage and transportation. This standard applies to the manufacture and acceptance of binoculars, telescopes can also be other types of reference used.

GB/T 17117-2008: Binoculars

---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.
Binoculars ICS 37.020 N31 National Standards of People's Republic of China Replacing GB/T 17117-1997, GB/T 17118-1997 Binocular Telescope Posted 2008-12-30 2009-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The revised standard integration and replaces GB/T 17117-1997 "prism binoculars", GB/T 17118-1997 "Galilean double Head telescope. " This standard and GB/T 17117-1997, the main difference GB/T 17118-1997 version is. --- The two standards into one, the same contents to merge. --- Standard name changed to "binoculars." --- Test Method for optical properties and structural performance indicators by GB/T 18312-2001 "binoculars inspection rules" set forth in method. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee photon science and optics (SAC/TC103) centralized. This standard was drafted. Shanghai Polytechnic University, China Ordnance Industry Standardization Institute. The main drafters of this standard. Huang Weijia, Hu Yu, wheat Green Wave. This standard replaces the standards previously issued as follows. --- GB/T 17117-1997; --- GB/T 17118-1997. Binocular Telescope

1 Scope

This standard specifies the binoculars classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the manufacture and acceptance binoculars, telescopes can also be other types of reference use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1185 optical part surface flaws (GB/T 1185-2006, ISO 10110-7.1996, NEQ) GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 18312-2001 binoculars inspection rules

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 After approximately parallel light beam through an optical system support, the degree of parallel beams of light emitted by two, divided into horizontal (converge or diverge) and vertical Direction, in degrees. 3.2 The left and right eyepiece diopter zero, the height difference around the end face of the eyepiece goggles. 3.3 About supporting the optical system as the absolute value of the inclination of the algebraic difference. Expressed in degrees. Category 4 Binocular Telescope (hereinafter referred to as the telescope) and divided prism binoculars Galilean binoculars. Wherein the prism binocular hope Telescope according to performance requirements are divided into class Ⅰ, Ⅱ type, Ⅲ class. Class Ⅰ belong high precision, Ⅱ type followed, Ⅲ class as the basic requirements.

5 Requirements

5.1 Optical Performance The optical performance of the telescope tolerance specified in Table 1. ......

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