ISO-8598 › Historical Revision Information
Optics and optical instruments -- Focimeters
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This International Standard specifies requirements for continuously indicating focimeters and digitally rounding focimeters with which the vertex powers and prismatic powers of spherical and astigmatic lenses, including lenses mounted in frames and contact lenses, can be measured and with which lenses can be orientated and marked.
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Document Number
ISO 8598:1996
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Aug. 1, 1996
Committee Number
ISO TC 172/SC 7/WG 6