From 18–27 September, Sotheby's Online Photographs auction will feature some of the leading names in 20th and 21st century photography. Key works include Robert Mapplethorpe’s empowering photograph Lisa Lyon with Star Hat, Daido Moriyama’s seminal work Misawa (Stray Dog), and Chris Levine’s stunning lenticular lightbox She’s Light (Pure). Click the image above to view the slideshow.