Changes to V1.31 Improved stability of recording image for some SDHC Memory card. Changes to V1.30 Correspond to PENTAX DA lens which built-in supersonic motor (SDM System) Changes to V1.20 Correspond to PENTAX REMOTE Assistant 3 Changes to V1.11 Correspond to development in the RAW data camera when multiple exposing. When built-in flash is used the luminescence control by the trailing-shutter-curtain sync was corrected. Changes to V1.10 The following function has been added in version 1.10 Wireless control of external flash through built-in flash. Instantly return to centre AF point by one push of button in AF select mode. Possible to change ISO setting by dial at TV/AV mode. ISO setting change by dial while the ISO setting is being displayed on the LCD by pushing OK button. Green button function in M mode is available at TAv mode (Hyper manual). AV and TV switch by dial at P mode. Instant return to the default value by green button at strobe light compensation. The following contents have been corrected. In rare case, vertical stripe at long time exposure. Released “B exposure” and show battery empty sign when using B mode. * How to operate the additional functions, Click Here