STN EN ISO 9342-1
| Name: | STN EN ISO 9342-1 |
| Validity: | Valid |
| Number of pages: | 28 |
| Language: |
EN
|
| Paper: | 14,10€ |
| Electronic version |
a) Only read (without ability to print and copy)
12,69€ b) Without ability to print, with ability to copy (printscreen) 14,10€ c) With ability to print and copy (printscreen) 18,33€ |
| Slovak title | Optika a optické prístroje. Skúšobné šošovky na kalibráciu fokometra. Časť 1: Skúšobné šošovky fokometrov na meranie okuliarových šošoviek (ISO 9342-1: 2023) |
| English title | 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) |
| Release Date: | 01. 10. 2023 |
| Date of withdrawal: | |
| ICS: | 11.040.70 |
| Sorting character/National clasification code | 19 5014 |
| Level of incorporation: | idt EN ISO 9342-1:2023, idt ISO 9342-1:2023 |
| Official Journal | 09/23 |
| Amendments | |
| Replaced by: | |
| Repleces: | STN EN ISO 9342-1:2005-10 (19 5014) |
| Note in Official Journal: | |
| Subject of the standard: | This document specifies requirements for reference lenses for the calibration and verification of focimeters that are used for the measurement of spectacle form lenses, e.g. those complying with ISO 8598-1. It also gives a method for the determination of the back vertex power of the reference lenses. NOTE It is accepted that other reference 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 4.1, can be used for the calibration of digitally-rounding focimeters. |
| Preview: | Náhľad normy (PDF) |