Our movements are 70% guided by
visual informations.
 Goggles = Performance tool
 Photochromic = Performance guarantee in all
conditions
Transmissions measures (%VLT)
lens
Temperature
T0
(unactivated) Cat.
Light
Zebra
Cat 2 to 4
Zebra Light
Julbo
Cat 1 to 3
Cameleon
Julbo
Cat 2 to 4
Falcon
Julbo
Cat 2 to 3
Julbo
* In the top of the
category, lens activates
rapidly.
Weak
Photochromic
range
5°C
23°C
(activated) Cat. (activated) Cat.
Full sun
-5°C
5°C 23°C
Full sun
49%
1*
8,3%
4
17%
3
88%
83% 63%
68%
1
9,0%
3
20%
2*
91%
86% 69%
28%
2
4,7%
4
9%
3*
89%
83% 65%
19%
2
2,7%
4+
6%
4
90%
86% 68%
% of Visible Light
Transmission (VLT)
3% > 8%
9% > 18%
19% > 42%
43% > 80%
81% > 100%
Protection
category
4
3
2
1
0
Type of Light
Intense
Strong
Middle (fog/ white day)
weak
night
Photochromic
range
Lens
Temperature
Type of light
Zebra Light
Cat 1 to 3
Bollé Modulator (NOVA)
Bollé
Cat 1 to 3
Scott Light sensitive
Scott
Cat 1 to 3
Uvex Variomatic
Uvex
Cat 1 to 3
Loubsolmatic
Loubsol
Cat 2 to 3
Julbo
The clearest lens when
light is weak
Visible Light Transmission (%VLT)
T0
5°C
23°C
Cat
Cat
(Inactivated) . (activated) Cat. (activated) . -5°C 5°C 23°C
Weak
Full sun
Full sun
68%
1
9%
3
20%
2 92% 87% 69%
47%
1
12%
3
19%
2 80% 75% 60%
52%
1
11%
3
22%
2 84% 78% 58%
57 %
1
8%
4
19%
2 91% 86% 67%
42 %
2
15%
3
33%
2 86% 65% 23%
The darkest lens when
luminosity is strong
The widest photochromatic
range whatever the
temperature