GREEN

• reduces visible light without interfering with clarity of vision

GREY

• offers excellent colour perception

YELLOW

• improves contrast on hazy, cloudy, smoggy, or even foggy day. Not recommended for driving since it can cause perception of red and green traffic lights.

BROWN

• improves contrast under hazy and sunny conditions

ORANGE/RED

• provides greater contrast than yellow and is optimal for overcast conditions
• a most efficient hazecutter
• provides extreme contrast where low light conditions exist
• an efficient blue light filter.