Why you can't take a good picture of a rainbow
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There's a mismatch between the sensitivity of colour pixels in a digital camera sensor and the sensitivity of colour sensing cells in the human eye. We don't normally notice until we try to take a picture of the whole visible spectrum (like in a rainbow!). For example if you take a picture of a rainbow with a goPro Hero 7 violet disappears!
I also talk about how computer screens can show violet even though the pixels only go as far as blue.
Here's my video about how cones cells work:
https://youtu.be/dvovtbLGaUw
You can buy my books here:
https://stevemould.com/books
You can support me on Patreon here:
https://www.patreon.com/stevemould
just like these amazing people:
Glenn Watson
Peter Turner
Joël van der Loo
Matthew Cocke
Mark Brouwer
Deneb
Twitter: http://twitter.com/moulds
Instagram: https://www.instagram.com/stevemouldscience/
Facebook: https://www.facebook.com/stevemouldscience/
Buy nerdy maths things: http://mathsgear.co.uk
Видео Why you can't take a good picture of a rainbow канала Steve Mould
There's a mismatch between the sensitivity of colour pixels in a digital camera sensor and the sensitivity of colour sensing cells in the human eye. We don't normally notice until we try to take a picture of the whole visible spectrum (like in a rainbow!). For example if you take a picture of a rainbow with a goPro Hero 7 violet disappears!
I also talk about how computer screens can show violet even though the pixels only go as far as blue.
Here's my video about how cones cells work:
https://youtu.be/dvovtbLGaUw
You can buy my books here:
https://stevemould.com/books
You can support me on Patreon here:
https://www.patreon.com/stevemould
just like these amazing people:
Glenn Watson
Peter Turner
Joël van der Loo
Matthew Cocke
Mark Brouwer
Deneb
Twitter: http://twitter.com/moulds
Instagram: https://www.instagram.com/stevemouldscience/
Facebook: https://www.facebook.com/stevemouldscience/
Buy nerdy maths things: http://mathsgear.co.uk
Видео Why you can't take a good picture of a rainbow канала Steve Mould
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