It went on sale October 19, 2011 in 8 GB and 16 GB versions, and began shipping on February 29, 2012. In April 2014, the company announced Lytro Illum, its second generation camera for commercial and experimental photographers. The Illum resembles a conventional mirrorless interchangeable-lens camera, but has a permanently attached 30–250mm f/2.0 lens and an articulated rear screen.