The History
Built by Fishermen, for Fishermen. Almost 30 years ago, a group of fishermen in Florida had a goal: to design a pair of sunglasses that could help them better see what's out there. We've come a long way since those days, but the fact is, our passion hasn't changed at all. We're still in Florida, we're still happiest when the sun is up and we're out on the water - and we're still obsessed with making the best sunglasses on the planet.
The Science behind the 580 lenses
Light is one of many types of electromagnetic waves, including: radio, microwave, infrared, visible light, ultraviolet, x-rays, gamma. As these rays increase in frequency (?), their wavelength (?) gets smaller and vice versa.
The visible light spectrum is between 400 nm & 700 nm, with each color at a different wave length/frequency. Before 400 nm is ultraviolet light. After 700 nm is infrared light.
Costa sunglasses cut out 580nm(nanometers) of the 700nm spectrum of light with the lower spectrum being the harmful range.
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Costa Sunglasses
- BlueBottleFishing
- Rank: Banjo
- Joined: Tue Sep 25, 2012 3:18 pm
Costa Sunglasses
Post by BlueBottleFishing » Sat Jan 12, 2013 9:38 pm
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