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Old April 23rd 18, 12:49 PM posted to rec.photo.digital
android
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Default Funky IR Artefact

On 2018-04-23 10:33:47 +0000, Whisky-dave said:

On Sunday, 22 April 2018 10:40:30 UTC+1, android wrote:
Trée arty but... WTF is it???


looks like curtians blowing in the wind through a partially opened
window , and the bright bit is sunlight on a wall.


https://dl.dropboxusercontent.com/s/mjfnh2d0s1wulli/i180422%2311638.jpg

For the record: I used a IR filter on a unconverted EOS M with high
ISO settings. Hard to work without an OVF, witch I have...
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teleportation kills


If it;s unconverted yuo;re not seeing much infra red if any. It;s just
the red end of the visible light your recording nothing else.


You are dead wrong yet again. The filter cuts of at 760nm, it's a
"black" filter you see and the frequencies below is pure IR:

"IR wavelengths extend from the nominal red edge of the visible
spectrum at 700 nanometers (frequency 430*THz), to 1*millimeter"

https://en.wikipedia.org/wiki/Infrared
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teleportation kills