Rings Around the Sun – A Corona

Formed the same way cloud iridescence is formed, by diffraction. A corona is hard to get due to the closeness to the sun, I found these more of a challange then getting a 22 degree halo. I would not had noticed if it was not for 2 things, 1, I was looking up, looking at the clouds and two, I was looking through the window of my car which are are tinted slightly. Getting the shot, well, I probably could have used a longer lens, but my 11-16mm was primed and ready to go. I usualy shoot manual but since I did not know how long this was going to last, I gave in, set the camera to AV and went for it.

A Corona Around the Sun

Corona around the Sun

Corona's are caused by diffraction

A Corona another shot

More information on atmospheric optics such as corona like this can be found in my links collection.

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