The Falcon lens’ darkening ability is not affected negatively by the windshield.

Julbo’s revolutionary Falcon lens darkens with visible light.

For decades, eyecare professionals have been familiar with the technology driving photochromic lenses—expose them to ultra-violet (UV) light and voilà—they turn dark. Now photochromic technology has gone beyond the UV sensitive to be full-spectrum sensitive with Julbo Eyewear’s recent introduction of the Falcon lens, an innovative photochromic for travel and everyday use that responds to visible light.

According to the company, the Falcon lens represents a major step forward in photochromic lens development. With Behind the Windshield technology, it reacts only to visible light. Unlike UV-activated photochromics, the Falcon lens’ darkening ability is not affected negatively by the windshield.

Depending on light exposure, the Falcon lens transmits 9% to 20%, or put another way, this lens blocks from 80% to 91% of light. Because it is activated only by visible light, the color density of the lens is the same whether it is in direct sunlight or behind the windshield of a car. Also, temperature does not affect the lens so the photochromic response is consistent during all seasons.

The Falcon lens has a polarized amber-to-copper tint, which emphasizes contrast and enhances colors so it provides clear vision in all light and weather conditions. It is anti-reflective treated to reduce eyestrain and eliminate lens surface glare. An oil-repellant coating helps prevent finger and grease marks and makes the lens easier to clean.

STANDARD EUROPEAN COMMUNITY PROTECTION RATINGS Light transmission is the percentage of light rays that travel through lenses and enter the eye. The recommended light transmission for sunglasses is 10% to 30%. This means that 10% to 30% of light enters the eye while 90% to 70% of light is blocked.

Protection Index Rate of Transmission
or Category of Visible Light

0……………………………..80% to 100%

1……………………………..43% to 80%
2……………………………..18% to 43%
3……………………………….8% to 18%
4……………………………….3% to 8%

Using NXT® technology made from Trivex® lens material, Julbo claims the Falcon lens is the most advanced, technical photochromic lens available. Developed for the U.S. Army in the 1990s, NXT is unbreakable, very light, offers better transparency, and is optically superior when compared to polycarbonate. The manufacturing process uses laser technology to inject the proprietary photochromic dye into the lens material.

Falcon is ideal for extreme environments like mountainous areas where the sun is brighter and glare can be caused by environmental factors like mist, fog, and surface reflections. It is also great on the water where the polarizing feature will get a workout and the tint will lend itself to the contrast between water, pole, and fish. And of course, this lens is a superstar in bright sun where the copper tint is constant and the polarizer knocks out glare, whether hiking the trail or cruising the highway.

Julbo offers the Falcon lens in three sunwear styles. Zulu is a shiny black plastic wrap frame with rounded lenses and a chrome logo on the temples. This unisex frame design serves fashion-minded outdoor enthusiasts with its combined functional and stylish qualities. Fusion is a very masculine black on black metal wrap with large angular lenses and temple logos. The third style, Spirit, is a metal wrap with black and white plastic temples with chrome logos. This frame is thinner and sleeker than the Spirit and has a sporty double bridge bar, which makes it more appealing to men.

Visible light creates visible changes when wearing Julbo’s new high-tech photochromic Falcon lens.

Dee Carew is a licensed optician and optometric tech at Maumee Center for Eye Care in Maumee, OH.

Julbo Eyewear
800-651-0833 • julbousa.com


Leave A Reply