RGB Filter for Compact Cameras

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Uncover the concealed IR spectrum world using a RGB filter. The sky appears red while black clothes and hair seem blue, flowers emit light blue hues against dark bushes, and many other fascinating effects are revealed. This technique involves exposing multiple films to specific wavelengths of light, blocking red, green, or blue colors, and stacking them together. When a camera sensor can detect infrared (IR) light, images exposed by IR radiation are captured. Initially seen in a Hackaday article, the removal of the IR filter from the camera sensor was not performed here, leading to longer exposure times. CHDK software is useful in such cases. To create this effect, obtain 4-7 fully developed negative size pictures and a piece of plexi/polycarbonate glass matching their size. Assemble the negatives and plexi between the camera housing and lid. This method is designed for Ixus700 with a 26mm diameter barrel; newer cameras with smaller barrels require a modified housing.stl file in the Zip download for custom fitting.