Rule of thirds room should be in front of the subject with the vertical line running through their perceived center of mass. The rule of thirds was first written down by John Thomas Smith in 1797. In his book "Remarks on Rural Scenery," Smith quotes a 1783 work by Sir Joshua Reynolds, in which Reynolds discusses, in unquantified terms, the balance of dark and light in a painting. John Thomas Smith then continues with an expansion on the idea, naming it the "Rule of thirds": Two distinct, equal lights, should never appear in the same picture : One should be principal, and the
Four Thirds system Annual Convention and Trade Show, the Four Thirds consortium consisted the following companies: This does not imply a commitment to end user products by each company. Historically, only Leica, Olympus, and Panasonic have produced bodies. Olympus and Leica/Panasonic have made dedicated Four Thirds lenses, and Sigma makes adapted versions of their "DC" lenses for APS-C format DSLRs. Kodak once sold sensors to Olympus for use in their Four Thirds bodies, but the newer Olympus Four Thirds cameras used Panasonic sensors. The majority of Four Thirds System cameras and Four Thirds lenses are made by Olympus. Many Four Thirds cameras use