Image of 4 from Olympus reveal E-420: the world's smallest interchangeable lens digital SLR

March 6, 2008 Olympus has again claimed the mantle of the world’s thinnest, smallest interchangeable lens digital SLR camera with the announcement of the E-420. The camera is scheduled to be released in May this year, and is the successor to the E-410 digital SLR released last April.