free infrared filter: a piece of developed unexposed slide film
the
test: 
digital
infrared the
picture is blurred, because the dense filter doesn't transmit enough
light for the Ixus' 100asa chip.
The green is lighter than the picture taken in BW mode.
A digital camera sees more infrared than we do. Some manufacturers do
not like this and mount a infrared blocking filter in front of the chip.
Checking your camera for infrared sensitivity is easy: Take a remote control;
aim it at the camera and press a button. If the camera is capable of seeing
infrared, the IR led will light up white in your lcd viewpanel. To our
naked eyes this is impossible to see.
Hey this a great way to check the battery of your remote!
This again is an example of learning by playing. Use every camera you
have; and use it as a toy!
ordinary black and white
the green of the leaves is relatively dark.
Furthermore I had no idea what I was looking at. I did not think of infrared at all, until I I noticed these lighter leaves. Andrew Davidhazy, of RIT, of course saw it years ago.
Read his article on an improvised IR filter .
Be sure to take a look at the rest of the vast site of this playful mind.
the color original
and this is the other tree in front of my house: a red acer
with
the slide in front of the lens
and auto levels in a photo program