A [Fine ISO control (mode M)] item has been added to the Custom Settings menu at position g8. Selecting [On (1/6 EV)] allows ISO sensitivity for videos to be adjusted in increments of 1/6 EV.

  • ISO sensitivity adjustment is available only in mode M.

  • Sensitivity can be set to values of from ISO 64 to 25600 in increments of 1/6 EV.