Lost River Farms wrote:Heatman wrote:I will not buy anything but Costas now. Had to wear glasses starting in my teens. At 50 had cataract surgery which solved my vision issues. Bought the 580G lenses and couldn't be happier. 3-4 years later and still as good as new, no scratches.
I cracked the frames twice (my fault)>They replaced them for a $11 handling charge. There is a difference in the lenses. I have a pair of 400G and not the same quality.
Many good buys on eBay. I have the Tuna Alley 580G normally around $240 new for $170 new on eBay.
What does the G mean in 580G vs 400G? Grams?
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