Following on from my camera/camcorder series here on AAS, here's a look at the pros and cons of adding focussing to video capture in Symbian smartphones. What should a manufacturer do? What's the best way forwards? Is continual auto-focus practical yet? Is initial focus necessarily better than a preset focus? The pros and cons may surprise you...

"At first glance, the question of focus when capturing a video seems a no-brainer. "Of course it's worth having! Surely focussed is better than unfocussed?" However, there's more to consider than just 'off' or 'on'."

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