![Lunette](/image.php?img=/articles/PORTER/HAVA4048_P.jpg)
![Scratch-Resistant:](/img/icones_verres/1.png)
Scratch-Resistant:
Coating applied to lens to help protect against scratches
![Anti-reflective:](/img/icones_verres/2.png)
Anti-reflective:
Coating applied to lens to improve vision and reduces eye strain
![Gradient:](/img/icones_verres/3.png)
Gradient:
Lenses gradually transition from one color at the top to another (or a lighter tint of the same color) at the bottom
Technical data
- . (1) Eye height: 45
- . (2) Eye width: 49
- . (3) Bridge: 20
- . (4) Depth of the pupillary distance: 22
- . (5) Distance between the two front screws: 125
- . (6) Temple length: 138
- . Effective diameter: 54
- . Lens base: 6