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Photochromic Fishing Sunglasses | Fortis SWITCH Lenses
Light conditions on the bank are constantly changing. One minute you are under bright sun, the next youare peering into shaded margins, overcast water or tree-lined cover. Standard lenses can struggle to keep up.
That is why we developed SWITCH™ photochromic lenses.
Fortis SWITCH lenses automatically adapt to changing UV light conditions, darkening in bright sunlight and lightening when the light drops. The result is a single pair of fishing sunglasses capable of delivering enhanced visual clarity from dawn until dusk.
Designed specifically for anglers, SWITCH technology helps reduce glare, improve visibility beneath the surface and minimise eye strain during long sessions on the bank.
What Are Photochromic Fishing Sunglasses?
Photochromic fishing sunglasses use lenses that react to UV light. When exposed to brighter sunlight, the lens darkens automatically. As conditions become cloudier or darker, the lens lightens again.
In simple terms:
- Bright sun = darker lens
- Overcast skies = lighter lens
- Variable conditions = constant adaptation
For anglers, this means no longer needing to swap between multiple lens colours throughout the day.
Fortis SWITCH lenses combine adaptive photochromic technology with polarisation, giving anglers enhanced visibility in constantly changing environments.
What Is SWITCH Lens Technology?
SWITCH™ is Fortis Eyewear’s adaptive photochromic lens technology, designed specifically for fishing and outdoor use.
Unlike standard lenses that remain one fixed tint, SWITCH lenses continuously react to changing UV levels throughout the day.
As light intensity increases:
- The lens darkens
- Glare is reduced
- Contrast remains balanced
As light intensity decreases:
- The lens lightens
- More light transmission is allowed
- Visibility improves in lower light conditions
This automatic adjustment helps maintain comfortable vision from early morning through to dusk.
Why Photochromic Lenses Matter for Fishing
Fishing places unique demands on eyewear.
Unlike everyday sunglasses, fishing eyewear needs to:
- Reduce surface glare
- Enhance water penetration
- Improve underwater visibility
- Handle rapidly changing light
- Remain comfortable during long sessions
Whether you are climbing trees to spot fish, scanning shallow margins, stalking rivers or fishing open water, adaptive lenses allow your vision to remain balanced throughout the day.
Benefits of Fortis SWITCH Photochromic Lenses
Adaptive Light Technology
SWITCH lenses automatically respond to changing UV exposure, helping maintain optimum visibility in both bright and low-light conditions.
Reduced Eye Fatigue
Constantly squinting in bright sunlight creates eye strain. Adaptive tinting helps reduce visual fatigue during extended sessions.
Better Fish Spotting
Polarisation combined with adaptive tinting improves your ability to see beneath the water surface.
One Lens for All Conditions
Instead of carrying multiple lens colours, SWITCH provides a versatile all-day solution.
Enhanced Comfort
Changing light conditions become less distracting, helping maintain focus while fishing.
Are SWITCH Lenses Polarised?
Yes.
All Fortis SWITCH lenses combine:
- Polarisation
- UV protection
- Adaptive photochromic technology
Polarisation helps eliminate reflected glare from the water surface, while the photochromic element manages changing ambient light.
This combination is particularly effective for:
- Carp fishing
- River fishing
- Predator fishing
- Sight fishing
- General outdoor use
Best Conditions for SWITCH Lenses
SWITCH photochromic fishing sunglasses excel in:
- Changeable weather
- Mixed sun and cloud
- Early morning sessions
- Evening fishing
- Tree-lined lakes
- Mobile fishing
- Long sessions with varying light
If you regularly move between open water and shaded cover, SWITCH lenses provide a major advantage.
SWITCH vs Standard Polarised Lenses
| Feature | SWITCH Photochromic | Standard Polarised |
|---|---|---|
| Adapts to changing light | Yes | Nein |
| Polarised glare reduction | Yes | Yes |
| Ideal for mixed conditions | Excellent | Limited |
| Works from dawn to dusk | Yes | Less versatile |
| Reduces need for multiple lenses | Yes | Nein |
Fortis Sunglasses Available with SWITCH Lenses
AVS with SWITCH
The AVS frame combines performance and coverage with adaptive SWITCH lens technology.
Bays with SWITCH
A lightweight and versatile frame ideal for mobile anglers needing all-day adaptability.
Finseeker with SWITCH
Premium performance eyewear featuring exceptional clarity and adaptive photochromic technology.
Isolators with SWITCH
Available in Round and Square variants with removable side shields for maximum focus and light control.
Overwraps with SWITCH
Designed to fit comfortably over prescription glasses while delivering adaptive visibility.
Strokes with SWITCH
Stylish everyday performance sunglasses with adaptive lens technology.
Vistas with SWITCH
A high-performance wrap-style frame offering exceptional coverage and clarity.
Wraps with SWITCH
One of the most popular Fortis designs featuring excellent peripheral vision and glare reduction.
Who Are SWITCH Lenses Best For?
SWITCH lenses are ideal for anglers who:
- Fish in changing weather
- Move frequently around lakes
- Fish mornings and evenings
- Need one versatile lens
- Want reduced eye strain
- Spend long hours outdoors
They are particularly effective for carp anglers who rely heavily on visual watercraft and fish spotting.
Caring for Your SWITCH Lenses
To keep your lenses performing at their best:
- Store them in a protective case
- Clean with a microfibre cloth
- Avoid abrasive materials
- Rinse debris before wiping
- Avoid excessive heat exposure
Proper care helps maintain lens clarity and coating performance over time.
Why Choose Fortis SWITCH Sunglasses?
Fortis Eyewear was built around one principle — helping anglers see more.
Our SWITCH lens technology combines:
- Adaptive photochromic performance
- Polarisation
- Fishing-specific frame design
- All-day comfort
- Premium optical clarity
The result is eyewear designed specifically for the realities of modern angling.
Whether you are spotting carp in the margins, searching open water or navigating rapidly changing conditions, SWITCH lenses help keep your vision optimised throughout the session.
Frequently Asked Questions
What are photochromic fishing sunglasses?
Photochromic fishing sunglasses use lenses that automatically darken and lighten depending on UV exposure and changing light conditions.
What does SWITCH mean on Fortis sunglasses?
SWITCH refers to Fortis photochromic lens technology that automatically adapts to changing light conditions.
Are SWITCH lenses polarised?
Yes, all SWITCH lenses are fully polarised to reduce glare and improve underwater visibility.
Do SWITCH lenses work in cloudy weather?
Yes. The lenses lighten in lower light conditions, helping maintain visibility during overcast weather.
Are photochromic lenses good for fishing?
Yes. Photochromic lenses are ideal for fishing because light conditions constantly change throughout the day.
Do SWITCH lenses darken automatically?
Yes. Exposure to UV light causes the lenses to darken automatically.
Can SWITCH lenses replace multiple sunglasses?
For many anglers, yes. SWITCH lenses are designed as a versatile all-day solution.
Which Fortis sunglasses are available with SWITCH lenses?
AVS, Bays, Finseeker, Isolators, Overwraps, Strokes, Vistas and Wraps are all available with SWITCH technology.