SummerLightning
Junior Acolyte
- Joined
- Feb 14, 2019
- Messages
- 70
- Location
- Bath, UK
There's a thread on Metabunk about this: https://www.metabunk.org/threads/ex...ng-thunderstorm-water-on-lens-caustics.10242/
I'm now convinced that it has been caused by a drop of water (rain droplet) landing on the lens of the camera. But what I don't understand is where the green colour suddenly come into view ~ from what? Is it by-way-of refraction that introduced colours can be born?There's a thread on Metabunk about this: https://www.metabunk.org/threads/ex...ng-thunderstorm-water-on-lens-caustics.10242/
I mentioned in an earlier post that LED streetlights have a greenish tint, it could be that the droplet is somehow enhancing that area of the spectrum.I'm now convinced that it has been caused by a drop of water (rain droplet) landing on the lens of the camera. But what I don't understand is where the green colour suddenly come into view ~ from what? Is it by-way-of refraction that introduced colours can be born?
Yes, I understand what your suggesting might be the cause 'Bigphoot2' - but the question remains ~ are there any LED street lights in that particular area in order to cause that effect?I mentioned in an earlier post that LED streetlights have a greenish tint, it could be that the droplet is somehow enhancing that area of the spectrum.
Yes, I forgot to add thatYes, I understand what your suggesting might be the cause 'Bigphoot2' - but the question remains ~ are there any LED street lights in that particular area in order to cause that effect?
Just found that mercury lamps can also have a greenish tint.Yes, I understand what your suggesting might be the cause 'Bigphoot2' - but the question remains ~ are there any LED street lights in that particular area in order to cause that effect?
From what can be made out in the photographs 'Bigphoot2,' it does appear to be farm-type buildings, so it might be a strong type of yard flood light.Just found that mercury lamps can also have a greenish tint.
http://www.hotalux.com/english/products/useful/03.html
Raindrops can refract any colour of the visible spectrum in a similar way to a prism I thinkI'm now convinced that it has been caused by a drop of water (rain droplet) landing on the lens of the camera. But what I don't understand is where the green colour suddenly come into view ~ from what? Is it by-way-of refraction that introduced colours can be born?
Yes, of course! It slipped my mind that all colours are contained within refracted 'white' light!Raindrops can refract any colour of the visible spectrum in a similar way to a prism I think
Have no knowledge of what a 'caustic' is 'eburacum,' but I'm guessing - erosion of detail?A caustic. My favourite optical phenomenon (give or take a few others).
"Ah!" Well, that explains it perfectly. Ta...very...muchNo; it's a twisted focus of light rays caused by reflection or refraction, or both. I mentioned them before, about a month ago.
https://forums.forteana.org/index.php?threads/shape-shifting-ufo-reported.68654/
Here's a definition from Wikipedia
https://en.wikipedia.org/wiki/Caustic_(optics)