TTL Compensation Numbers are different on Strobes and TriggersUpdated 20 days ago

When working with FJ speedlights, it’s really important to know the differences between Manual and TTL modes for getting the exposure just right. In Manual mode, any power changes you make on the trigger show up immediately on the strobe. But in TTL mode, the trigger and strobe can be adjusted independently.

What happens in TTL mode?

In TTL mode, the strobe and trigger don’t reflect each other. For example, if you set your strobe to -1 and your trigger to +1, the effective exposure compensation will be "0." So, the adjustments you make on the trigger won’t be reflected on the strobe like they are in Manual mode.

How do power adjustments work in Manual mode?

In Manual mode, any adjustments you make to the power settings on the trigger are instantly reflected on the strobe. This lets you adjust your lighting setup in real-time.

Why adjust compensation settings in TTL mode?

TTL compensation settings are great for fine-tuning exposure based on your own style and the specific camera-lens combo you’re using. If your images are coming out darker than you'd like with a compensation of 0, bumping up the strobe’s compensation to a + setting can brighten things up. You can also make small adjustments of +/- 3 power levels through the trigger to match your subject’s tones.

How can I check compensation settings on the FJ400?

On the FJ400, you can see both strobe and trigger compensation settings. Here’s how:

1. Long-press the top (menu) button to get to menu 6 (settings menu).
2. Hit the select button and turn the TTL-M option to "ON."
3. Press the menu button to go back to menu 1.
4. When you’re in TTL mode, you’ll see three numbers on the display:
   • The big number shows the strobe compensation setting.
   • The first set of smaller numbers displays the trigger compensation setting.
   • The last number indicates the Manual equivalent of the last TTL exposure for group "A," assuming the strobe was fired via the camera's shutter.