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PLEASE! DO NOT ADJUST YOUR MONITOR! (13)
Athila
![Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 305 W: 232 N: 432]](http://i1.treknature.com/misc/g-g-g.gif) (1564) | No it’s not red maple leafs at the autumn in Canada!
Years ago, while it was still available, I experimented with color Infra Red films. This one was taken in mid summer on a sunny day. Depending on the color of the filter you put in front of your lens, color will vary according to the amount of IR radiations reflecting back in the direction of your camera.
Because of the photosynthesis process, green leafs absorb sunrays and liberate oxygen in the air. At the same time it also reflects IR radiations. IR films have a layer sensitive to IR radiations and normally transform into red dye in the processed film. Other layers will react differently.
Lot of test (or lot of reading) are necessary to expect final result. Here I have been using a deep red (No 25) filter. The green leaves became red. Since the sky absorbs IR rays it turned green (don’t ask me why it is green). Water acted as a mirror and reflected back the colors of the objects it was representing.
IR rays do not focus like visible rays in a camera. Usually distance measured is not set on the focus mark but on an IR mark beside it. This is what is normally recommended for B&W IR films. With color IR film, since two layer of film are sensitive to visible rays and one layer is sensitive to IR rays, you are better to focus normally and use as much DOF as possible to ensure good focus on main subject as I did here.
Unfortunately these films aren’t easily available anymore.
PLEASE DON'T TRY A COLOR BALANCE WORKSHOP ON IT!
YOU WON'T SUCCEED!
;o)
Technical data:
Camera : Nikkormat EL
Lens : 50mm f/1.4 Nikkor
F/stop : Not recorded (small aperture)
Shutter speed : Not recorded
Tripod: Velbon
Filter: Red No.25
Flash : No
Accessory : cable release
Film : Ektachrome IR
Flatbed Scanner: Epson 4180 |
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