From Wikipedia:
In infrared photography, the film or image sensor used is sensitive
to infrared light. The part of the spectrum used is referred to as near-infrared
to distinguish it from far-infrared, which is the domain of thermal imaging.
Wavelengths used for photography range from about 700 nm to about 900
nm. Usually an "infrared filter" is used; this lets infrared
(IR) light pass through to the camera, but blocks all or most of the visible
light spectrum (the filter thus looks black or deep red).
When these filters are used together
with infrared-sensitive film or sensors, very interesting "in-camera
effects" can be obtained; false-color or black-and-white images
with a dreamlike or sometimes lurid appearance known as the "Wood
Effect."
Tim used his infrared lens at Kubota Garden today and got some surreal
and astonishing effects. Here are several of his pictures. Larger versions
and more are found at Tim's P-Base
Gallery.
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