 The DIGIC III Image Processor, introduced in 2006, was advertised to deliver improved image quality, faster operation and extended battery life compared to its predecessor.DIGIC III provides a faster interface to the SD memory card for the Canon PowerShot G7 and G9, SD750, SD800, SD850, SD900, SD 1000, A560, A570 IS, A590 IS, A650 IS, A720 IS, A495, EOS XS/1000D, EOS XSi/450D, EOS 40D, EOS 1D Mark III, EOS 1Ds Mark III, and S5 IS.It also provides higher resolution for their LCD screens.