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GB/T 10987-2009 English PDF

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Q: Should I purchase the latest version GB/T 10987-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10987-2009 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$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 10987-2009: Optical systems -- Determination of parameters
Status: Valid

GB/T 10987: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10987-2009	259	Add to Cart	3 days	Optical systems -- Determination of parameters	Valid
GB/T 10987-1989	399	Add to Cart	3 days	Optical systems--Determination of parameters	Obsolete

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Basic data

Standard ID: GB/T 10987-2009 (GB/T10987-2009)
Description (Translated English): Optical systems -- Determination of parameters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N35
Classification of International Standard: 37.020
Word Count Estimation: 11,142
Date of Issue: 2009-09-30
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 10987-1989
Regulation (derived from): Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 overall)
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 focal length of the optical system, the field of view, magnification and aperture (relative aperture and numerical aperture) four optical parametric consistent measurement method, measuring device and measuring the basic requirements. This standard applies to applications in the visible region of the spectrum microscopes, telescopes and photography, projection, plate lens and other optical parameters were measured.

GB/T 10987-2009: Optical systems -- Determination of parameters

---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.
Optical systems. Determination of parameters ICS 37.020 N35 National Standards of People's Republic of China Replacing GB/T 10987-1989 Determination of the optical system parameters Posted 2009-09-30 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 10987-1989 "Determination of the optical system parameters." This standard and GB/T 10987-1989 main differences are as follows. --- Remove the GB/T 10987-1989 Chapter 2, "in the title the term" word; --- The GB/T 10987-1989 Chapter 3, Section 4, Chapter 5 and Chapter 6 into the same chapter entitled to "measured parameter"; --- Remove the GB/T 10987-1989 Chapter 7. 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 is drafted by. Shanghai Polytechnic University. Participated in the drafting of this standard. Nanjing Jiangnan Yong new Optical Co., Ltd., Ningbo Yongxin Optics Co., Ltd., Suzhou has an optical instrument Limited. The main drafters of this standard. Pingqiong Hui, Zhang Hui Yin. This standard replaces the standards previously issued as follows. --- GB/T 10987-1989. Determination of the optical system parameters

1 Scope

This standard specifies the measurement side of the optical system focal length, field of view, magnification and aperture (relative aperture and the numerical aperture) four optical parameters Law, the basic requirements of measuring apparatus and measurement. This standard applies to the measurement microscope visible spectrum applications, binoculars and camera, projection, plate lens and other optical parameters.

2 Symbol

d) was higher y; e) image height y '; f) Field of view angle 2ω; g) the image side field angle 2ω '; h) magnification microscope objective MO; i) angular magnification γ; j) visual total magnification microscope MTOTVIS; k) eyepiece magnification ME; l) the entrance pupil diameter D; n) the numerical aperture NA. Parameters measured 3 3.1 focal length 3.1.1 Measurement 3.1.1.1 magnification method (PORRO method) 1, uniform illumination collimator lens focal plane engraved plurality of sets of reticle on, each line corresponds to the objective lens on the reticle Parallel light beam emitted from the collimator, measured by an objective lens in which the image side focal plane imaging, with a cross with a microscope aiming reticle, And moving the microscope along the focal plane, by the length measuring mechanism directly measure its movement value, that is, after the image height y measured lens' focal plane, according to equation (1) meter (1) Can also be used with the aim microscope eyepiece micrometer measured by ocular micrometer to measure the intermediate image plane of the microscope image height y ", according to the equation (2) (2) 'O MO y Can (2) calculated as a constant term into the equation. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 10987-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 10987-2009_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 10987-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 10987-2009_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 10987-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10987-2009 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.