ČSN EN ISO 8598-1

Optics and optical instruments - Focimeters - Part 1: General purpose instruments used for measuring spectacle lenses

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

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Podrobné informácie

Označenie: ČSN EN ISO 8598-1

Dátum vydania: 01.02.2015

Stránok: 40

Krajina: Česká technická norma

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Anotácia

This part of ISO 8598 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.
It is applicable to instruments typically intended for use by the ophthalmic community, with the capability to demonstrate conformity of lens products with the International Standards existing for these lenses

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