Aurora Borealis Essay

Our eyes have pupils which are the same as apertures in lenses.

And function the very alike, during the day they close a bit to let less light in as well have an effect on depth of field and much more will have be in focus though not enough to compare to the likes of f16 or smaller on a camera.

So the Higher latitude or lower latitude isn’t the determining factor to being close to them.

Now that you know a little background information I want to talk about “Night Vision” vs. Some people when seeing the aurora for the first time complain about how faint, how slow, or they dont see color.

There are differences in camera sensors and eyes, and both have their strengths and weaknesses in comparison to one another.

Camera sensors are not limited by night vision only by the amount of light they can capture is differently.

And dont have as much bokeh as from the likes of other photos.

When I shake my head I would liken the shutter speed of my vision with 24 frames per second to 1/60th of second to 1/100th of second as there is some motion blur when panning with my head.

LED lights distrupt our eyes adjusting and trick our eyes into thinking we aren’t tired as well.

Our brain meanwhile using its amplifier and our upbringing of thinking of the sky as blue and therefore when gazing at the night sky we will mainly see green or blue.

During the Day our eyes are incredibly fast at dynamic range, and light intensity.

Also training your eyes can help see colors, and if you see faint colors appreciate what is happening even if it doesn’t look the same as the photos you see.

As for my process, Im shooting on a canon 550d a simple camera, shot at f3.5 on canon 10-22mm though I usually shoot on my sigma art 18-35mm f1.810 seconds because it gave me enough details in the shadows and also still sharp crips Auroras, because the coronas can move very fast and a 2.5 second is very desirable length but is usually for very contrasty images and silhouetting.

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