This document specifies the characteristics of the system of physical photometry established by the CIE and accepted as the basis for the measurement of light. It defines the photometric quantities, units and standards that make up the CIE system of physical photometry and that have been officially accepted by the Comité International des Poids et Mesures (CIPM). This comprises: — the definition of photometric quantities, symbols and units; — the definition of CIE spectral luminous efficiency functions for photopic vision, scotopic vision, mesopic vision and 10° photopic vision; — the definition of CIE photometric observers that conforms to these functions; — the definition of maximum luminous efficacy for photopic vision, mesopic vision, scotopic vision and 10° photopic vision.

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This document specifies the monitoring of mechanical tests and inspections performed both at the material (coupon) and at the structural scale by the implementation of kinematic field measurements by digital image correlation. This document describes an in situ method for evaluating the metrological performance of an extensometer system using image correlation for the delivery of displacement fields, and by extrapolation, of deformation fields. It can be implemented prior to the actual start of the test (or inspection). It will inform of the metrological performance in testing conditions.
This document allows the metrological performance of the measuring technology to be quantified. The methodology described herein is not to be considered as a calibration step. This reference document does not exhaustively specify the constitutive elements of a generic system of Digital Image Correlation measurement. This reference does not address the measurement of 3D shapes via stereocorrelation systems.

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This document provides rules for the measurement of the spectral reflectance of plane surfaces and the spectral transmittance of plane parallel elements using spectrophotometers. This document only applies to measurements of the regular transmittance and the regular reflectance; it does not apply to those of the diffuse transmittance and the diffuse reflectance. This document is applicable to test samples, which are coated or uncoated optical components without optical power.

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This document specifies general optical test methods for the measurement of the relative irradiance in the image field. This document is applicable to optical imaging systems in the optical spectral region from λ = 100 nm to λ = 1 μm. Theoretical reflections and the comparison with the calculation apply only to optical systems. This document is applicable to rotationally invariant and rotationally variant systems; anamorphic systems, for example, are included. Telescopic systems are also included. The title of this document refers to the relative irradiance in the image field, but this document is also applicable to determination of the relative radiant power. NOTE For telescopic systems, it is suitable to state only the radiant power; for most imaging systems, the conversion from radiant power to irradiance is easy. As far as measurements are concerned, this document is also applicable to electro-optical systems. The two methods described differ particularly in the influence of veiling glare.

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This document specifies procedures for determining the spectroscopic forward scattering characteristics of coated and uncoated optical surfaces over a specified wavelength range between 350 nm and 850 nm using a double-beam spectrophotometer with an integrating sphere. This document is also applicable to the forward scattering properties at a single wavelength. This document is applicable to spectroscopic forward scattering measurements with collection angles larger than 2,7 degrees. ISO 13696 provides a measurement method for smaller collection angles.

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This International Standard provides a stable and reproducible procedure to calibrate the
wavelength and power output of a tuneable laser against reference instrumentation such as
optical power meters and optical wavelength meters (including optical frequency meters) that
have been previously traceably calibrated.

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ISO 9334:2012 de­fines terms relating to the optical transfer function and indicates, where pertinent, the mathematical relationships between those terms. It also defines important parameters that should be speci­fied in connection with optical transfer function testing. The terms and parameters de­fined in ISO 9334:2012 apply to all measurements of the optical transfer function for optical, electro‑optical and other imaging systems.

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ISO 9335:2012 gives general guidance for the construction and use of equipment for measurement of the optical transfer function (OTF) of imaging systems. It specifies important factors that can influence the measurement of the OTF, and gives general rules for equipment performance requirements and environmental controls. It specifies important precautions that should be taken to ensure accurate measurements and correction factors to be applied to the collected data.

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ISO 15529:2010 specifies the principal MTFs associated with a sampled imaging system, together with related terms, and outlines a number of suitable techniques for measuring these MTFs. It also defines a measure for the “aliasing” related to imaging with such systems. ISO 15529:2010 is particularly relevant to electronic imaging devices such as digital still and video cameras and the detector arrays they embody.

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ISO - Taking over of an ISO Technical Corrigendum concerning the French version

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Migrated from Progress Sheet (TC Comment) (2000-07-10): The enquiry is negative. ++ TC 170 res.4/1996: 2nd ENQ. decided.(Stuttgart meeting on 96-11-11/12).

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ISO 15529:2007 specifies the principal MTFs associated with a sampled imaging system, together with related terms and outlines a number of suitable techniques for measuring these MTFs. It also defines a measure for the “aliasing” related to imaging with such systems. ISO 15529:2007 is particularly relevant to electronic imaging devices such as digital still and video cameras and the detector arrays they embody.

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ISO 9334:2006 defines terms relating to the optical transfer function and indicates, where pertinent, the mathematical relationships between those terms. It also defines important parameters that should be specified in connection with optical transfer function testing. The terms and parameters defined in this ISO 9334:2006 apply to all measurements of the optical transfer function for optical, electro-optical and other imaging systems.

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ISO 23539:2005 specifies the characteristics of the system of physical photometry established by the CIE and accepted as the basis for the measurement of light. It defines the photometric quantities, units and standards that make up the CIE system of physical photometry and that have been officially accepted by the Comité International des Poids et Mesures (CIPM).

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Applies to optical imaging systems in the optical spectral region from 100 nm to 1 m. Telescopic systems are also included. The standard refers to the relative irradiance in the image field, but it is also applicable to determination of the relative radiant power.

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Gives general guidance for the construction and use of equipment for measurement of the optical transfer function of imaging systems and general rules for equipment performance requirements. Specifies important factors that can influence the measurements. Does not contain instruments for interferometric tests.

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Defines terms relating to the optical transfer function and indicates, where pertinent, the mathematical relationships between those terms. Defines also important parameters that should be specified in connection with optical transfer function testing.

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