Costa® Brine 400 Polarized Sunglasses
- Unbeatable combination of function, fashion, and value
- Hard-core nylon frames
- Co-molded Hydrolite® temples
- Non-slip fit, even in extreme temperatures
- Vents on each side for cool comfort and minimal fogging
- 100% polarized
- 100% UV protection
About your Costa lenses:
- Green Mirror for variable sun conditions, inshore and offshore fishing
- Blue Mirror for bright sun, offshore fishing, and most water sports.
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I would recommend a Green Mirror for any type of shallow water fishing, sight fishing, flats fishing, fishing shallow streams, etc..
Blue Mirror lenses are best for deeper water or deep sea fishing.
Usually sight fishermen have a stand on their boat or a chair that sits very high up, requiring a ladder to get to it on some boats. The higher up you are the further you can see and the better you can see. If you ever ride in a helicopter and fly out over the ocean, you can see almost perfectly into the water, and that's the same purpose these stands and high chairs on the boats are used for.
The color lens you use also effects the way you see into the water.
Amber lenses help when sight fishing the most because it is the perfect lens for brighening up colors and spotting the fish better.
The Gray lenses help more or less with deep water and bright light conditions--like being way out in the ocean where there is glare all around you.
Most importantly you need something polarized. It doesn't matter what kind of lens color you have if it is not polarized. Polarization cuts down on glare, which is the reflection of the sun, which bounces off the water and makes it hard to see into the water.
All Costa Del Mar's are polarized, and the pair shown above in the picture is amber, so it's perfect. The only way you could do better is to get a glass lens. Glass lenses help the most with clarity and the scratch resistance is phenominal.
Hope I helped.