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) |