C12P14C89 wrote an answer about Kaenon Burnet Sunglasses - Polarized on January 23, 2012
G12 is a gray lens. C12 is a copper lens. They both have the same amount of light transmission (12%). I have the c12, Havana. It's my guru photo on the page... So you can clearly see the copper lenses aren't as bright as they look in the photos.