I cannot find a Sigma forum in which to post this photo, so I guess "samples and galleries" Sigma's SPP RAW processing software has a special "Foveon Blue" colormode which gives intense blue skies (in the right conditions) like the original Sigma SD9 and SD10 cameras. This was taken yesterday with the SgeD Quattro camera and 18-300mm lens
flic.kr/p/2oqvDnj
Might show up, might not. It's a flickr link to a large size jpeg file.