Question about disappearing colors
Dec 24, 2017 23:36:22 #
I was taking photos of our grandkids around the Christmas tree. Our youngest grandson was holding a string of colored lights - with his mom’s help. The weirdest thing happened. As I was going through the photos - there were some of the photos that did not have the string of lights lit but everything else in the photo was in color. There were also a couple that not only didn’t have the string of colored lights lit, but also didn’t have the lights on the Christmas tree lit - even though they were on. Again, everything else in the photo was in color, presents under the tree, etc.
What would cause this? Never happened before.
I was using a Canon EOS 5D Mark III with my 50 mm lens.
Thank you for any help, before I take photos tomorrow.
I had my camera set on TV.
What would cause this? Never happened before.
I was using a Canon EOS 5D Mark III with my 50 mm lens.
Thank you for any help, before I take photos tomorrow.
I had my camera set on TV.
Dec 24, 2017 23:50:07 #
LED lights flicker at 60hz because they only emit light during half of the AC cycle. If your shutter speed is faster than 1/30th you have a chance of exposing the frame during the off cycle. At higher shutter speeds you have an even better chance of catching them off.
Try slowing your shutter speed down to increase your chance of catching the lights during their on cycle.
Check this article for a better explanation.
https://petapixel.com/2016/12/16/quick-tip-take-holiday-photos-led-christmas-lights/
Try slowing your shutter speed down to increase your chance of catching the lights during their on cycle.
Check this article for a better explanation.
https://petapixel.com/2016/12/16/quick-tip-take-holiday-photos-led-christmas-lights/
Dec 24, 2017 23:53:32 #
lwhitlow wrote:
I was taking photos of our grandkids around the Ch... (show quote)
Best speed: 1/15 if you have more than one string.
Dec 25, 2017 08:26:13 #
Dec 25, 2017 08:26:15 #
Dec 25, 2017 09:08:29 #
Steve DeMott
Loc: St. Louis, Missouri (Oakville area)
ejones0310 wrote:
LED lights flicker at 60hz because they only emit ... (show quote)
WOW!! Thanks for that info. This is what I love about UHH.
Have a merry Christmas
Dec 25, 2017 09:42:42 #
ejones0310 wrote:
LED lights flicker at 60hz because they only emit ... (show quote)
An anomaly of LED lights perhaps at 60 Hz. Old school Incandescent bulbs have hot filaments and don't go "dark" during cycle.
Dec 25, 2017 09:47:37 #
lwhitlow wrote:
I was taking photos of our grandkids around the Ch... (show quote)
The Joke Answer. Your camera captured an X-File !
Dec 25, 2017 14:27:53 #
lwhitlow wrote:
I was taking photos of our grandkids around the Ch... (show quote)
everyone's eyes were open, but you caught the lights blinking.
Dec 25, 2017 15:10:03 #
WILLARD98407 wrote:
everyone's eyes were open, but you caught the lights blinking.
That was just awesome. I hadn’t heard about this from anyone - but I knew this group would know😊
Dec 25, 2017 15:10:49 #
Dec 25, 2017 19:37:01 #
lwhitlow wrote:
I was taking photos of our grandkids around the Ch... (show quote)
could we see some of the pics, Pleeze? (and check the "store original" box)
it may help us to help you.
Dec 26, 2017 15:15:02 #
Here is a picture of a lighted outside tree, taken at a slow shutter speed with the camera moving. The seemingly dots and dashes are from the lights cycling at 60 cycles. By counting the dashes you can figure out the shutter speed. Picture was taken with a cell phone.
Dec 26, 2017 17:07:43 #
WILLARD98407 wrote:
could we see some of the pics, Pleeze? (and check the "store original" box)
it may help us to help you.
it may help us to help you.
Yes, I will. Previous replies does explain what happened:-)
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