Request InfoSunex Inc.Sunex Inc. has announced that it is producing optical low-pass filters for CMOS and CCD imaging in volume. They are used in high-resolution, megapixel applications to protect the integrity of the final image quality. The low-pass filters, incorporated into the optical train, eliminate aliasing effects -- also known as moiré fringes -- from the output image by blocking low-frequency spatial information. Several designs are available off the shelf, including ones that have an integrated IR cutoff filter to provide true color reproduction. 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