Adjustable Tint Sunglasses: How They Work and Who They're For

Augen Halo adjustable tint sunglasses with mountain and road scenes

Ever had sunglasses that were too dark in the evening and not dark enough at noon? Adjustable tint sunglasses fix that. Instead of one fixed shade, you choose how dark your lenses are with a simple twist. Here's how they work, how they differ from photochromic lenses, and who should get them.

The quick answer: adjustable tint sunglasses have two layered lens filters. Rotate the front lens and the tint gets lighter or darker. Augen's versions, the Carnaby, Halo and Citrine, go from light grey to dark grey across nine levels, with polarized UV400 protection.

Hiker standing on a mountain ridge as the sun rises behind snowy peaks

How adjustable tint works

Each lens is made of two filters stacked together. When you turn the outer filter, the two layers line up differently and let through more or less light. It's the same idea photographers use with variable ND (neutral density) filters on a camera.

Adjustable tint dial showing nine levels from light grey to dark grey

  • Levels 1–3: early morning, cloudy days and evening light.
  • Levels 4–6: everyday daylight in the city.
  • Levels 7–9: harsh midday sun, beaches, snow and high altitude.

Adjustable tint vs photochromic: what's the difference?

Adjustable tint Photochromic
How it changes You twist the lens by hand Darkens on its own under UV light
Speed Instant Takes a little while to darken and lighten
Works in a car? Yes, you control it Often less, because windscreens block much of the UV
Best for Drivers, riders, trekkers, photographers Office-to-outdoors commuters
Augen pick Halo Shift Elio

Who needs adjustable tint sunglasses?

View from the driver's seat of a car heading down a sunny mountain road

Drivers and riders. Light changes constantly on the road — tunnels, tree cover, the setting sun. A quick twist is safer than swapping pairs. (As with any sunglasses, don't wear them for night driving.)

A line of trekkers walking along a ridge toward the bright sun

Trekkers and travellers. Mountain light goes from shaded forest to blinding snow in minutes. One pair that adjusts saves you carrying two.

Gadget lovers. Honestly, they're just fun. Turning the lens and watching the world dim is oddly satisfying.

Augen's adjustable tint range

Augen Halo adjustable tint sunglasses showing a light lens and a darkened lens

All three styles are round metal frames with the same tech: 1–9 gear adjustable tint, polarized UV400 lenses, a metal frame and adjustable nose pads. Pick the frame finish you like best:

Augen Carnaby adjustable tint round metal sunglasses

How to use and care for adjustable tint lenses

  1. Start at the lightest setting, then turn the front lens slowly until it feels comfortable.
  2. Adjust both lenses to the same level so your eyes see evenly.
  3. Clean the lenses gently with a microfibre cloth. Avoid getting dust trapped between the layers.
  4. Store them in a case. The rotating parts are precise, so don't toss them loose in a bag.

FAQs

Are adjustable tint sunglasses polarized?
Augen's are. The Carnaby, Halo and Citrine all have polarized UV400 lenses.

Do adjustable tint lenses protect against UV at every setting?
Yes. UV400 protection is built into the lens, so it works at every tint level.

Are they worth the higher price?
If you drive, ride, trek or move between bright and shaded places a lot, yes. One adjustable pair can replace two or three regular ones.

Control the light. Shop adjustable tint sunglasses →

Lifestyle photos: Damian Markutt, Manu Mateo, Red Shuheart, David Gavi and Kevin Arne on Unsplash.