Desah bahang, arus gelap, dan sinar kosmik dapat mengubah piksel di larikan CCD. Untuk menghindari diek ini, astronom mengambil pengungkapan dengan shutter tertutup. Bingkai gelap ini lalu dikurangkan dari gambar asli untuk membuang efek desah bahang.
Digital color cameras generally use a [[Bayer filter|Bayer mask]] over the CCD. Each square of four pixels has one filtered red, one blue, and two green. (The human [[eye]] is more sensitive to green than either red or blue.) The result of this is that [[luminance]] information is collected at every pixel, but the color resolution is lower than the luminance resolution.
Better color separation can be reached by three CCD devices (3CCD) and a [[dichroic prism|dichroic]] [[beam splitter]] [[prism (optics)|prism]], that splits the [[image]] into [[red]], [[green]] and [[blue]] components. Each of the three CCDs is arranged to respond to a particular color. Some semi-professional digital video camcorders (and all professionals) use this technique.
Since a high-resolution CCD chip is very expensive, [[as of 2004]] even a professional photographer could hardly afford a 3CCD high-resolution still camera. There are some high-end still cameras that use a rotating color filter to achieve both color-fidelity and high-resolution. These multi-shot cameras are rare and can only photograph objects that are not moving.
== Teknologi saingan ==