Photography, Video Digital Photography 1 on 1: Episode 12 Depth of Field April 29, 2010 No Comments About This Video In this episode Mark explains Depth of Field. Previous Post Next Post You may also like February 9, 2012 The Position of Light: Ep 228: Digital Photography 1 on 1 July 27, 2009 iPhone update: building the set July 27, 2009 iPhone update: progress on the set.