Bridge Cameras: Compare features & prices Canon PowerShot SX40 HS review http://www.which.co.uk/technology/photography/reviews/bridge-cameras/canon-powershot-sx40-hs/review/
The Canon PowerShot SX40 HS has a huge 35x optical zoom for getting close to the action even if you're standing a long way off. This superzoom Canon bridge camera has a huge range of manual controls and shoots full 1080p HD video - we put its picture-taking abilities to the test.
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The time it takes for the camera to take the picture, after you have pressed the button from a completely unpressed position (as opposed to a half-pressed position which cuts shutter delay considerably). Subject is 10 metres from the camera.
We measure the effectiveness of the camera's image stabiliser by judging pictures taken in trembling motion conditions and low light scenarios.
Low light picture quality
We test the camera's picture quality in challenging low light, judging the amount of graininess and the camera's ability to focus sharply on its subject.
Face detection effectiveness
We test how to see if the camera's face detection can correctly expose and focus on individual faces within a shot. This is a new test added to our 2010 test programme.
Overall picture quality
An overall rating based on our assessment of the camera's picture quality in different light conditions and at different zoom ranges, taking into account sharpness, colour accuracy, contrasting, and any distortions that may be present.
An overall rating for the camera's video quality in different light conditions, judging sharpness, smoothness of moving subject and panning shots, and colour accuracy.
Video sound quality
A rating for the recorded sound quality captured by the camera's built-in microphone.