So this was weird

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dlbleak

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I was going to take a pic of 100% gas being $2.77 at Casey’s. When I turned my cam on, it looked like this through the phone. I turned it off and back on just to see if it was a fluke. It did it three times in a row. Was really strange to look at the phone and see it blinking but not with my naked eyes
 

BillM

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I was going to take a pic of 100% gas being $2.77 at Casey’s. When I turned my cam on, it looked like this through the phone. I turned it off and back on just to see if it was a fluke. It did it three times in a row. Was really strange to look at the phone and see it blinking but not with my naked eyes
View attachment 437479
Lots of things do that, like your computer screen, and mine, TV sets, etc. Persistence of vision is what they called it back in the day. They seem to have changed the names of every other **** thing, so it may be called something different now. The flashing is supposed to be fast enough, and on long enough, that you can't tell it's flashing. Cameras didn't have as much trouble with that, which was why the photos I used to take of a TV screen didn't look right. Digital cameras are apparently better able to see it than film cameras were. When you look at a TV or video monitor, the "Refresh Rate" is how fast the individual dots are blinking. Some humans can see a flicker in 60hz refresh rate TV's and such. And some TV's & monitors do 120hz refresh rates now. Persistence of vision - Wikipedia
Refresh rate - Wikipedia

And an ad I found says some monitors now do refresh rates up to 244hz.
 
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