August 14, 2019

Mystery Green Dot

On some of your pictures you may notice a small green dot. This appears at random locations in pictures - that is in some pictures it's on the bottom right and other pictures you may see it on the top left.

Example Issue

Blue Dot
It might be hard to see, but after seeing in a number of photos, it can stand out.

Whats Going On

This is not a defect of the camera or a scratch on the camera lens.

The green dot occurs because of the angle of the light coming into the camera. This usually occurs when taking pictures of light such as sunrise, sunset or a street light that occurs in the picture.

Apparently this has occurred in every iPhone. I have noticed that this has occurred more often using the iPhone XS Max.

I have also encountered this problem on videos too. It's more visible since the blue dot moves around.

How to Avoid the Dot

I usually don't notice the green dot until I look at the picture long after it was taken. Well too late to make adjustments.

Now that I know how/when the dot occurs - the presence of bright light shining directly in the camera, I can tilt the camera so the dot doesn't appear.

In addition, I'll be sure to look out for the presence of the dot on the screen when I am taking pictures in certain situations.

Fixing the Issue Post Production

It's easy to remove the dot in Affinity Photo using the Inpainting Brush Tool, or using PhotoScape's Spot Healing Brush - located in the Tools section.

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