Les applications ci-dessous sont-elles des intox ou cela est-il réalisable avec l'I-R?

Environment:
- A warm, sunny day in March.
Equipment:
- An important document.
- A bottle of Pilot 'Royal Blue' Ink
- A Sony camcorder ' TR250PK'.
- 37mm PF4.

We 'accidentally' spilt some permanent ink on this document. As you can see, the text is now impossible to read.




Environment:
- A hot, bright day in June. Equipment:
- A mannequin dressed in thin, black cloth, sunglasses and lipstick.
- A piece of printed card.
- A Kodak Digital Camera 'DC120'.
- 37mm PF4.

Without Here is our mannequin again, wearing sunglasses and lipstick.

With
Shutter speed: 1/60 second This is our camera's default shutter speed. The cloth becomes see-through, but the image is a little under-exposed.



However, when the PF is attached to our camera, the writing is clearly legible through the ink.

Note: If the writing doesn't appear clearly here, try adjusting your monitor's brightness and contrast