sentences:  Minolta (and later Konica Minolta) followed up by producing a large number of AF-mount lenses over the years up until 2004.Konica Minolta sold the rights to their Minolta AF lens mount to Sony in 2006.Sony acquired Konica Minolta's camera technologies in 2006, and chose the "α" brand name, already in use by Minolta in Asia, for their new "Sony α" digital SLR system.