How many megapixels is our eyes? – Documentary Film Camera Techniques

Is there truth to those old-school adage “Eye-candy wins”? Well, you’re certainly welcome to share your own in the comments, but first, let’s all try to decide exactly how many megapixels our brains can distinguish.

How Many Megapixels Is Our Eyes?

First, I went to the American Ophthalmology Association website and searched the numbers on the “Eye-Cleaning Technology” page, which says, “eye-care products that clean up or remove dark spots from the eye may exceed the resolution of the images on the screen, and therefore may produce a higher magnification of the image. If you are using a smartphone or monitor that allows up to 120 ppi (Pixels Per Inch), or is the only device to show the magnified imagery, use the highest resolution graphics possible. For example, limit images to 1,500 by 1,500 pixels (pixels per inch or PPI) and/or 300 by 250 pixels (pixels per inch or pPI), even though image resolution may increase dramatically with each successive resolution increment. Be sure to see the “Eye-care Products” page on the American Ophthalmology Association website.”

Here are my findings: There were two images for each color condition I tested, so I tested all three. Here is their respective maximum PPI resolutions.

The first image in red was the most magnification of any picture I could have tested: the maximum PPI of 640 x 480 ppi which corresponds to the maximum resolution of a Samsung Galaxy S2.

Of the two images in red, the first image (which, in the case of the Samsung Galaxy S2, was also the widest) shows a lot of detail, but a great deal of dark noise. The second image (which, again, was the widest, but this image also had a lot of detail) showed much less noise, as expected.

And here are the maximum PPI “megapixels” I could get within the range of a smartphone:

A quick search turned up the following image:

At 640 x 480 ppi pixel count for “average” people’s eyes, this image has a maximum resolution of about 30 megapixels (or 25,700 pixels) while our eyes have a maximum resolution of about 20 to 25 megapixels; they are very different.

Now, if you take these two pictures side by side, you see that at least the “average person” has

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