----- Original Message ----- From: "Achal Pashine" : As Trevor said, some digital cameras have been reported to still see IR : spectrum, just like regular camera. try to google ["IR photography" "canon : 10D"]. see e.g. http://www.andry.alamsyah.net/categories.php?cat_id=21 (I : don't know this person, I just googled and this came out). : hope this helps, hmmm, some of those images tend to suggest that the camera *barely* sees into the IR, judging by the lack of tonal seperation between conifers and deciduous trees. I know the Sony 707, 717 and 818's can - they have the ability to flip the IR filter out of the optical path. here's one for the technological, new age photographers - maybe someone would like to sit down and photograph a selection of IR LED's to see where in the spectrum their digital cameras cut off. it might be an interesting project k
