| C.Fn | Custom Function | No. | Setting |
| 01 | SET Function When Shooting | 0 | Default (no function) |
| 1 | Change quality | ||
| 2 | Change parameters | ||
| 3 | Menu display | ||
| 4 | Image replay | ||
| 02 | Noise Reduction for Long Exposure | 0 | Off |
| 1 | On | ||
| 03 | Flash Sync. Speed in AV Mode | 0 | Auto |
| 1 | 1/250 sec. (fixed) | ||
| 04 | Shutter Button/AE Lock Button | 0 | AF/AE lock |
| 1 | AE lock/AF | ||
| 2 | AF/AF lock (no AE lock) | ||
| 3 | AE/AF (no AE lock) | ||
| 05 | AF-assist Beam | 0 | Emits |
| 1 | Does not emit | ||
| 2 | Only extension flash emits | ||
| 06 | Exposure Level Increments | 0 | 1/3-stop |
| 1 | 1/2-stop | ||
| 07 | Flash Firing | 0 | Fires |
| 1 | Does not fire | ||
| 08 | ISO Speed Extension | 0 | Off |
| 1 | On | ||
| 09 | Bracketing Sequence/Auto Cancel | 0 | 0 → — → + /Enable |
| 1 | 0 → — → + /Disable | ||
| 2 | — → 0 → + /Enable | ||
| 3 | — → 0 → + /Disable | ||
| 10 | Superimposed Display | 0 | On |
| 1 | Off | ||
| 11 | Menu Display Position | 0 | Previous (top if powered off) |
| 1 | Previous | ||
| 2 | Top | ||
| 12 | Mirror Lockup | 0 | Disable |
| 1 | Enable | ||
| 13 | AF Point Selection Method | 0 | Normal |
| 1 | Multi-controller direct | ||
| 2 | Quick Control Dial direct | ||
| 14 | E-TTL II Autoflash System | 0 | Evaluative |
| 1 | Average | ||
| 15 | Shutter Curtain Sync. | 0 | 1st-curtain sync. |
| 1 | 2nd-curtain sync. | ||
| 16 | Safety Shift Setting | 0 | Disable |
| 1 | Enable | ||
| 17 | Lens AF Stop Button Function | 0 | AF stop |
| 1 | AF start | ||
| 2 | AE lock while metering | ||
| 3 | AF point: Manual → Auto, Auto → Center | ||
| 4 | ONE SHOT  AI SERVO |
||
| 5 | Image stabilizer (IS) start | ||
| 18 | Append Original Image Verification Data | 0 | Off |
| 1 | On |