While fishing the marsh recently I spooked a keeper-sized flounder before it settled on a nearby shoreline in clear, shallow water. I got my camera out and snapped several pictures both through my Costas and without them. The image on the left was zoomed in quite a bit more than the image on the right, so I resized both of them. I placed them side-by-side for comparison purposes.
An interesting comparison of the view through polarized sunglasses and without them.
* Several people have asked which lenses do I have on my Costas. They are copper Wave 580 glass lenses.