I am betting the borescope has not been setup yet with the correct date?Uh, 2022/06/23 date stamp in the lower left of the picture? You took that 2 years ago?
Mine is the same way.
I am betting the borescope has not been setup yet with the correct date?Uh, 2022/06/23 date stamp in the lower left of the picture? You took that 2 years ago?
Uh, 2022/06/23 date stamp in the lower left of the picture? You took that 2 years ago?
Pic is from Tuesday this week - so yes, camera set wrong.Wrong date set on camera, most likely.
That is why I suggested trying a UV led flashlight like used for a/c leak detection dyeMaybe sheet plastic films have similar optical properties to hydrocarbon fuels. That might make them absolutely disappear until the tank is drained?