I recently purchased a used Canon 1200D body which has been modified to a 'full spectrum' camera. The original internal filter over the sensor has been replaced with borosilicate glass. This has a high transparency in visible, near Infra Red and Ultra Violet light. The latter two being filtered out in a standard digital camera.
A couple of photos taken to test out the camera, unfortunately on a dull day.
They were processed using Serif Affinity Photo.
and one converted to grey scale (B/W):
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2 hours ago