For products with anti-fogging coating, put moisture into the lamp (through bulb hole or similar portion
with a humidifier). There shall be no fogging on the anti-fogging coated surface of the lens.
· Degree of the fogging by visual check shall be Rank 3 or higher of the evaluation criteria specified in the
table below.
Rank Status at visual inspection
5 No fogging
4 Not visible from 10 cm away
3 Not visible from 30 cm away
2 Visible from 1 m away
1 Visible conspicuously