T/LYJ 001-2018
sunglasses (English Version)

Standard No.

T/LYJ 001-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

Group Standards of the People's Republic of China

Latest

T/LYJ 001-2018

Scope

1. Vertex power deviation 2. Prism power 3. Material and surface quality 4. Frame appearance quality 5. Assembly quality 6. Transmission characteristics 7. Transmission ratio requirements 8. Frame resistance to sweat corrosion

T/LYJ 001-2018 history

• 2018 T/LYJ 001-2018 sunglasses