BS EN ISO 7944:1998

$86.31

Optics and optical instruments. Reference wavelengths

Published By	Publication Date	Number of Pages
BSI	1998	12

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Categories: 11.040.70 - Ophthalmic equipment, BSI

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Description

This International Standard specifies two reference wavelengths to be used for the characterization of optical materials, optical systems and instruments, as well as ophthalmic lenses. It defines the associated principal refractive indices and principal dispersions, as well as the Abbe numbers with regard to these reference wavelengths and principal dispersions.

Additional information

Status	Revision Underway
Pages	12
Publication Date	1998-08-15
ISBN	0 580 30030 7
Standard Number	BS EN ISO 7944:1998
Title	Optics and optical instruments. Reference wavelengths
Identical National Standard Of	EN ISO 7944:1998, ISO 7944:1998
Replaces	BS 7017:1988
Descriptors	Optical properties of materials, Ultraviolet radiation, Contact lenses, Helium, Lasers, Spectra, Optical measurement, Refractive index, Optical dispersive power, Infrared radiation, Spectacle lenses, Wavelengths, Mercury, Ophthalmic equipment, Refractivity, Optical instruments, Optics
Publisher	BSI
Committee	CPW/172
ICS Codes	11.040.70 - Ophthalmic equipment

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BS EN ISO 7944:1998

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