TTL flashguns with limited data at the back

  • Nikon SB 500 en SB600
  • Sony HVL42
  • Metz Mecablitz 26 en 36
  • Godox TT350
  • Yongnuo YN568, YN685 en YN968
  • Nissin Di700, i40 en i60
  • Sigma EF610

These are only a few examples of flashguns with limited data at the back. They can be compact in size (and price), and yet deliver a high flash power output. 

Do you want to know what the numbers and icons on the back of the flashgun mean? Then read this article.

Although your specific flash may look slightly different, the images below are generally recognisable for most types.

1. Indication for TTL flash mode.
2. Indication for High Speed Flash sync.
3. The function for automatic or manual zoom position. 
4. 24mm is the focal length of the lens. It automatically changes along when zooming in or out with the lens. 
5. Indication of flash compensation.

TTL flash mode and the so-important flash distance

In TTL, the flash power is automatically calculated. The amount of light is based on the subject on which you focus. A certain maximum distance must be taken into account. If you don’t, the flash will not be able to reach the subject. Result: the subject is underexposed. 

Read the article Understanding flash distance

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