The company would then be known as a successful and innovative maker of camera phones. The Nokia 3600/3650 was the first camera phone on sale in North America in 2003. In April 2005 Nokia partnered with German camera optics maker Carl Zeiss AG. That same month Nokia introduced the Nseries, which would become its flagship line of smartphones for the next six years. The Nokia N95 introduced in September 2006 became highly successful and was also awarded as "best mobile imaging device" in Europe in 2007. Its successor the N82 featured a xenon flash, which helped it win the award of "best mobile imaging" device in Europe in 2008. The N93 in 2006 was known for its specialized camcorder and the twistable design that switches between clamshell and a camcorder-like position. They were also well known for the N8 with a high-resolution 12-megapixel sensor in 2010; the 808 PureView in 2012 with a 41-megapixel sensor; and the Lumia 920 flagship in 2012 which implemented advanced PureView technologies.