STN EN ISO 7921
| Name: | STN EN ISO 7921 |
| Validity: | Valid |
| Number of pages: | 20 |
| 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 | Očná optika a optické prístroje. Tabuľky na čítanie zblízka (ISO 7921: 2024) |
| English title | Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024) |
| Release Date: | 01. 06. 2024 |
| Date of withdrawal: | |
| ICS: | 11.040.70 |
| Sorting character/National clasification code | 19 5002 |
| Level of incorporation: | idt EN ISO 7921:2024, idt ISO 7921:2024 |
| Official Journal | 05/24 |
| Amendments | |
| Replaced by: | |
| Repleces: | |
| Note in Official Journal: | |
| Subject of the standard: | This document applies to printed, projected, and electronic displays of high-contrast text that are designed for assessment and measurement of near reading acuity under photopic conditions. The definitions and requirements of this document apply to the Latin alphabet. |
| Preview: | Náhľad normy (PDF) |