Hi guys,I recently got my bday gift,a pair if costa del mar blackfins 580G.My wife decided to get me a pair of new ones because I have 2 pairs of the old 400s.So she asked me to do research and choose the ones I liked.I ended up with these and the best price I found locally(not Internet) was at El Capitain fishing supply.i love the way they look but when I put them on I really can't tell the difference between the 400 and the 580.I got them in blue mirror .used them on the water yesterday and spoke to someone that was wearing the 580 grey lense,I tried his on and I can tell that everything looks brighter and more blue(we were offshore on the Gulfstream).Mine look as if they only block the sun and are polarized but pretty much what any cheap pair of glasses do.Also today I stood outside switching between my 400 and the new 580 and the 400s have almost like a brighter yellow feel to them.so my question is are mine authentic or knockoffs?I don't think that el Capitain fishing supply would jeopardize their good reputation selling knockoffs!!!!the inside of the frame say the patent # and the other leg says made in Taiwan
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Dude I have some bad new for you yours seem to be fake..i just looked at my co workers and mines and on the left leg it says the model and lens number under the patent number does yours have that? Because I cant see that on the pic you provided.
After owning about 10 pairs in the last 7 years I am done with them. I am now with Maui Jim and their product is MUCH better. I'm not a rep or a salesman, just a Firefighter who enjoys the outdoors and a good pair of sunglasses.
Mass producers offshore tend to get jobs from the US and then sell the ideas to other mass producers offshore and essentially steal their ideas and sell them for half the price. Could there be a cheaper brand of fake Costas?
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If letters are fading away most likely they are fake. I have a pair thats 5 years old and still intact. The only quality issue I've seen with costa latley is the frame legs tend to be more flexible than before.And the rubber nose piece and rubber around frame tends to fall or peel off in certain areas. But costa is pretty good about repairing them just got a pair back from repair center. Ship those to costa for repair and see what they say..