Tracked Changes. Optics and optical instruments. Test lenses for calibration of focimeters Reference lenses for focimeters used for measuring spectacle lenses
BS EN ISO 9342-1:2023 - TC
Tracked Changes. Optics and optical instruments. Test lenses for calibration of focimeters Reference lenses for focimeters used for measuring spectacle lenses
This is a Tracked Changes version
Tracked Changes is a version of a standard that indicates a change has been made, during the standards revision process, between the active standard and its previous version. Additions, deletions, and other formatting and/or content revisions are clearly displayed as underlined and strike through texts, ensuring all changes made between the two documents are quickly and easily identified
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ISBN: 9780539279092
Keywords:
Refractive index, Calibration, Tolerances (measurement), Lenses, Ophthalmic test equipment, Errors, Control samples, Optical instruments, Focal length, Ophthalmic equipment, Ophthalmology, Test equipment, Angular tolerances, Spectacle lenses, Thickness, Mathematical calculations, PDF
| Publication Date | 25 Jul 2023 |
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| Product SKU | 30477356 |
| ISBN | 9780539279092 |
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| BSI Code | BS EN ISO 9342-1:2023 - TC |
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| No. of pages | 62 |
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| Category | Tracked |
| Publisher | British Standards Institution |