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Activity Forums Cinematography What is this blue “halo” on my foootage?

  • What is this blue “halo” on my foootage?

    Posted by Fred Roberts on May 29, 2014 at 6:56 pm

    Hello- I’ve seen this before on low quality cameras, but does anyone know what causes this blue “halo” around white objects in this frame and how to resolve it (in camera)?

    Thank you.

    Fred Roberts replied 11 years, 11 months ago 3 Members · 4 Replies
  • 4 Replies
  • Mark Suszko

    May 29, 2014 at 8:04 pm

    Halation? I think it’s fringing from the high contrast between the hard bright white and the black BG.

  • Fred Roberts

    May 29, 2014 at 8:40 pm

    That’s a good thought. Thank you. The guy is using a new camera…previous camera didn’t have this problem with the same set up (contrast).

  • Emre Tufekcioglu

    June 9, 2014 at 4:55 pm

    That is called chromatic aberration, it is a physical limitation of a lens. Higher end cameras that employ more expensive lenses and chromatic aberration correction software will have less of it.

    You will get CA when:

    -You are using a long lens (zooming in a lot)
    -High contrast
    -low cost gear

    https://en.wikipedia.org/wiki/Chromatic_aberration
    https://photographylife.com/what-is-chromatic-aberration

  • Fred Roberts

    June 9, 2014 at 8:42 pm

    Thanks Emre. I guess I just didn’t believe that was still possible with cameras today! Appreciate your response.

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