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Theia introduces ultra-wide rectilinear lens

An Adept Electronic Solutions product story
Edited by the Engineeringtalk editorial team Dec 23, 2008

Theia Technologies has introduced an ultra-wide rectilinear lens for the security and machine vision markets.

Theia's linear optical technology allows the design of ultra-wide angle lenses with fields of view of panoramic proportions, up to 135deg, while almost completely eliminating barrel image distortion.

Unlike a fisheye lens, which only illuminates about 2/3 of the image sensor (leaving 1/3 of the pixels dark), the image from Theia's lens completely covers the image sensor.

Distortion correction is achieved optically using Theia's linear optical technology.

Barrel distortion (also known as fisheye distortion) causes information at the edges of the image to be compressed and lost.

The information is unrecoverable through software.

Theia's rectilinear lens increases the ease of detection and identification at the edges of the image using optical distortion correction; no software is required.

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