Goodbye colour fringeing?

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Chromatic aberration, the coloured fringeing of detail in high contrast areas of an image is one of the achilles heels of digital cameras as it's largely caused by CCD chips. A French optics company looks as though it has solved the problem.

Their solution is rather complicated as the diagram above suggests. But basically, two CCDS are used, one to image the bulk of the incoming light and a second, to collect the aberrated light via a special fresnel lens. The data from the two sensors is then aggregated into a final, aberration-free image. The new process has been named 'Cromofres' and is now being offered to digital camera manufacturers.

Cromofres, combined withe Fujifilm's latest twin photo-diode per pixel SuperCCD (click here) could be an very exciting digital camera development.

We have obtained a detailed (pdf format) data sheet which can be displayed here. This document is 700K long and can be downloaded (Windows users - right click+Save target as...)

For more information on Cromofres CCD lens technology, click here.

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