What does an AF illuminator do?

Discussion in 'Beyond the Basics' started by chips, Aug 19, 2004.

  1. chips

    chips TPF Noob!

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    What does an AF illuminator do? When i take a picture my subject is lit up in a red light which is very annoying because its quite bright! I've turned it off via my cameras menus but was wondering if its actually important for anything or does it just show u wot your focusing on?

    sorry bit of a basic question but my cameras manual isnt very informative :roll:
     
  2. voodoocat

    voodoocat ))<>(( Supporting Member

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    It's for autofocusing when there isn't enough light.
     
  3. chips

    chips TPF Noob!

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    ok thank you!
     

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