Also, just a note, the displays reflect the adjusted parameter to get the desired exposure value in Tv(shutter speed) and Sv (ISO) modes...so one value in one o

Also, just a note, the displays reflect the adjusted parameter to get the desired exposure value in Tv(shutter speed) and Sv (ISO) modes...so one value in one of those modes will always adjust live to compensate to get the exposure. I like app best in M mode. I basically lower the iso and adjust the shutter because I like taking pics of high contrast scenes.