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Is there comparison of different position of catchlight in person's eyes?

My point is that you can get roughly same lighting but with slightly different position of catchlight (light source reflection) in person eye. Is there are artistic differences between reflection being on the edge of an eye, or for example closer to iris?

Here is what "catch light" is: enter image description here

  • Are the catchlights in your example real, or were they added in an image editor? There's something not quite right about them, and I wonder if that's what motivated your question. – Caleb Dec 19 '17 at 15:22
  • @Caleb this catchlights is random illustration from google. I was basing my Q more on personal experience. – Oct18 is day of silence on SE Dec 19 '17 at 17:12
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I don't think there are any hard and fast rules for catch-lights, other than maybe, "have them."

The lighting affects, literally, every part of the shot. The catch-light is simply the light's effect on the eyes alone. In order to change the catch-light, one would have to change everything else about the lighting used in the portrait - and that's usually less desirable. Phrased another way - you should set your lighting for the portrait as a whole, and then adjust the light position incrementally to make sure that you are capturing a catch-light. You shouldn't start with a good catch-light and then try to light the rest of the scene.

To expand on good lookin' catch-lights: Single catch-lights, as in your question, do look good. But I don't find them any less attractive when clam-shell lighting is used (producing a circle and rectangle, two rectangles, two circles, etc) or Rembrandt lighting is used (producing only a single catch-light on the lit side of the face).

Long story short - beauty is in the eye of the beholder - but I think we can all agree that when it comes to catch-lights, it's only important that they're there.

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My belief: Eyes without catchlights appear dead. Catchlights are best as a single point of light in each at about the 10 o’clock or 2 o’clock position. The idea is to preserve an illusion that the face is illumined by a single light source coming from above. Additionally, a rectangular or other shape large catchlight is useful when the subject is illuminated by a window etc. Also, there are no rules in art, you are free to follow your heart.

  • preserve an illustration? Typo? Did you mean preserve an illusion perhaps? Even that seems awkward to my American English ear. – Caleb Dec 19 '17 at 14:32
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    @ Caleb - Thanks for finding the typo. We use multiple lights for a portrait setup. However the most flattering is light from above that simulates afternoon sun. – Alan Marcus Dec 19 '17 at 14:57

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