Quote Originally Posted by AgX View Post
Flashlights (electronic or bulb) are to be used.
Electronic flashes more or less replicate sun light in terms of spectrum, so the ISO rating of any IR film with respect to flash will be about ISO 5. Your big GN 58m @ISO100 strobe turns into a measly GN 13m toy at ISO 5 ...

And after all is said and done, and you have your perfect IR image with flash illumination: how much different does it look from a regular flash image ... ?