Under the strong promotion of Olympus and Panasonic, micro interchangeable-lens digital cameras have gained consumer approval. Moreover, Olympus has introduced its second MICRO 4/3 system digital camera, the E-P2 (released on November 6), in less than half a year. There are rumors that brands such as Sony, Ricoh, and Samsung will also launch similar products or APS-C format cameras with interchangeable lenses.