Don’t back up! Don I’m still coming to grips with wide-angle lenses. Konica -Minolta 7D , Sigma 18-50mm f2.8 at 18mm. This is an Audi? This is an Audi? Stasis Engineering’s revised 2008 Audi S5… Interesting to drive, to say the least! …

Source:
Racing Daylight: Nikon D300 focusing system flaw?