The [Fn] (Function) Buttons

The roles played by each of the function buttons can be selected by pressing and holding the button.

The default assignments are:

[Fn1] button

Drive settings

[Fn2] button

AF mode

[Fn3] button

Film simulation

[Fn4] button

Flash mode

[Fn5] button

Focus-frame selection

[AE‑L] button

Exposure lock

[AF‑L] button

Focus lock

Center of rear command dial

Focus check

Assigning Roles to the Function Buttons

To assign roles to the buttons:

Press and hold the [DISP]/[BACK] button until a button selection menu is displayed.
Highlight a button and press [MENU]/[OK].
Highlight the desired role and press [MENU]/[OK] to assign it to the selected button. Choose from:

[IMAGE SIZE]

[IMAGE QUALITY]

[RAW]

[FILM SIMULATION]

[GRAIN EFFECT]

[DYNAMIC RANGE]

[WHITE BALANCE]

[SELECT CUSTOM SETTING]

[FOCUS AREA]

[FOCUS CHECK]

[AF MODE]

[AF-C CUSTOM SETTINGS]

[FACE/EYE DETECTION SETTING]

[DRIVE SETTING]

[SELF-TIMER]

[PHOTOMETRY]

[SHUTTER TYPE]

[ISO]

[WIRELESS COMMUNICATION]

[FLASH FUNCTION SETTING]

[TTL-LOCK]

[MODELING FLASH]

[MIC LEVEL ADJUSTMENT]

[PREVIEW DEPTH OF FIELD]

[PREVIEW EXP./WB IN MANUAL MODE]

[PREVIEW PIC. EFFECT]

[AE LOCK ONLY]

[AF LOCK ONLY]

[AE/AF LOCK]

[AF-ON]

[APERTURE SETTING]

[PLAYBACK]

[NONE] (control disabled)

Button assignments can also be selected using [BUTTON/DIAL SETTING] > [Fn/AE‑L/AF‑L BUTTON SETTING]. The selector can not be assigned more than one role at a time.

[AF‑ON]

If [AF‑ON] is selected, you can press the control instead of keeping the shutter button pressed halfway.

[MODELING FLASH]

If [MODELING FLASH] is selected when a compatible shoe-mounted flash unit is attached, you can press the control to test-fire the flash and check for shadows and the like (modeling flash).

[TTL-LOCK]

If [TTL-LOCK] is selected, you can press the control to lock flash output according to the option selected for [FLASH SETTING] > [TTL-LOCK MODE] ([TTL-LOCK MODE]).