NF EN ISO 8598

NF EN ISO 8598

October 1998
Standard Cancelled

Optics and optical instruments. Focimeters.

Le présent document définit les spécifications auxquelles doivent satisfaire les frontofocomètres à indication continue et à indication numérique.

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Main informations

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National standards and national normative documents

Publication date

October 1998

Number of pages

11 p.

Reference

NF EN ISO 8598

ICS Codes

11.040.70   Ophthalmic equipment

Classification index

S12-133

Print number

1 - 26/02/2009

International kinship

ISO 8598:1996

European kinship

EN ISO 8598:1998
Sumary
Optics and optical instruments. Focimeters.

Le présent document définit les spécifications auxquelles doivent satisfaire les frontofocomètres à indication continue et à indication numérique.
Replaced standards (1)
NF S12-003
April 1975
Standard Cancelled
Optical equipment. Focimeters. Specifications and calibration.

Standard replaced by (1)
NF EN ISO 8598-1
November 2014
Standard Current
Optics and optical instruments - Focimeters - Part 1 : general purpose instruments

<p>ISO 8598-1:2014 specifies requirements and test methods for general purpose focimeters designed for the measurement of vertex powers, cylinder axis, prismatic power and prism base setting within a restricted area at a specified location of a lens. This excludes instruments that can only measure the whole lens at once.</p> <p>It is applicable to instruments typically intended for use by the ophthalmic community, with the capability to demonstrate conformity of spectacle lens products with the International Standards existing for these lenses.</p>

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