Light without electricity
The yellowish YAG-Ce phosphor is normally pumped by blue 440 - 470nm LEDs hidden beneath, however may be similarly pumped by an external source, here 365nm, this unnoticed by the camera.
Canon FD 100mm f/4 macro, taken at f/11
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Uploaded on January 18, 2023
Taken on January 17, 2023
Light without electricity
The yellowish YAG-Ce phosphor is normally pumped by blue 440 - 470nm LEDs hidden beneath, however may be similarly pumped by an external source, here 365nm, this unnoticed by the camera.
Canon FD 100mm f/4 macro, taken at f/11
790
views
6
faves
2
comments
Uploaded on January 18, 2023
Taken on January 17, 2023