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Norm
ÖNORM EN ISO 9342-1
Issue date: 2005 09 01
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Test lenses for focimeters used for measuring spectacle lenses (ISO 9342-1:2005)
This part of ISO 9342 specifies requirements for test lenses for the calibration of focimeters that are used for
the measurement of spectacle form lenses.
NOTE It is ac...
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Withdrawn
: 2023 11 01
Publisher:
Austrian Standards International
Format:
Digital | 14 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This part of ISO 9342 specifies requirements for test lenses for the calibration of focimeters that are used for
the measurement of spectacle form lenses.
NOTE It is accepted that other test lenses can also be used with powers within the given range, manufactured to the
same standard of accuracy and form, but different back vertex powers. However, only lenses with integer nominal powers,
as described in Annex A, can be used for the calibration of digitally-rounding focimeters.
ÖNORM EN ISO 9342-1
2023 11 01
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lense...
Norm
ÖNORM EN ISO 9342-1
2005 09 01
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Test lenses for...
Norm
↖
ÖNORM EN ISO 9342
1999 01 01
Optics and optical instruments - Test lenses for calibration of focimeters (ISO 9342:1996)
Norm
Norm
ÖNORM EN ISO 9342-1
Issue date :
2023 11 01
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lenses for focimeters used for measuring spectacle lenses (ISO 9342-1:2023)
Norm
ISO 9342-1:2005
Issue date :
2005 05 04
Optics and optical instruments — Test lenses for calibration of focimeters — Part 1: Test lenses for focimeters used for measuring spectacle lenses