By Tom Morgan
Published Aug 6, 2012

Calibrating your TV can be a bit of a dark art – what might look right in one scene may seem completely overblown in another. The Spyder 4 HDTV calibration tool lets you simply adjust your TV accurately to improve its picture in every scenario.

It attaches to your TV with four bungee cords, and to your laptop or PC with a USB cable. Both Blu-ray and DVD test pattern discs are included, plus a simple Windows application that talks you through the process. After twenty minutes, our test TV had much better shadow detail, colour reproduction and contrast than it did at the default settings.

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