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I.R. FILTER-GOGGLE PHOTOS
Shot with Sony DSC-P73 digital camera, with opaque Congo-Blue filter stack

For these infrared photos I simply held one of the lenses of my "$10 IR goggles" against the lens of my unmodified camera. I shot them in "moonlight mode" at f2.8, and around 2.5-sec exposure time. Cameras without an internal IR-cut filter will shoot much better IR photos. If you actually build your own IR filter-goggles, the view will be somewhat similar to those shown below. Also it will be very different, since human eyes aren't the same as cameras. Even more important, the IR goggles allow you to walk around in the infrared world. These photos don't communicate the odd experience of seeing through infrared eyes.

visible:


Bushes at rear of Bagley Hall, visible light


ir:


IR-goggles version. Bushes appear bright white/pink

 

Black t-shirt in sunlight. Logo is invisible



Logo becomes visible w/IR goggles, black shirt looks grey
(The sci-club logo was drawn w/black Sharpie marker, then laundered several times.)

 

U. Washington Campus, view from in front of Bagley Hall



With IR goggles, rose bushes in foreground appear light. So do the trees between the distant buildings. But the pines at the right look darker.


 

U. Washington Campus, visible light



With congo-blue filter stack, the sky is darker. Pines look darker than other trees. Foreground shrubs appear light. Pavement appears much darker.


 

Drumheiller Fountain, U. Washington Campus



IR goggles view. Trees and shrubs appear light, under dark sky, though certain trees appear quite dark.


 
 

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