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Compared to the Canon PowerShot G2

Canon's PowerShot G2 stands out as the benchmark 4 megapixel prosumer digital camera, so it's an ideal candidate for comparison to the QV-4000 The only problem with this comparison is that the G2 has an ISO 50 sensitivity option and that the QV-4000 doesn't allow you to select sensitivity. To make the comparison fair it was shot twice, first at ISO 50 and then at ISO 100 (results from both tests shown below).

Scene comparison, Canon G2 @ ISO 50

Cameras were reset to factory defaults. Aperture priority was used on both cameras to use an aperture of F5.0 (or as close as possible). White balance was set to Manual Preset. Lighting - 2 x 800W studio lights with dichroic daylight filters bounced off a white ceiling reflector.

Casio QV-4000 Canon PowerShot G2
ISO ???, 1/2 sec, F5.6 (est. ISO 80) ISO 50, 1/3 sec, F5.0
Casio QV-4000 Canon PowerShot G2

Starting with colour balance and the G2 just takes the edge, its general balance is a little better than the QV-4000 which comes out especially strong on reds and weak on blue and green. Next resolution, both cameras show good resolution, however it looks to me as though the QV-4000's aggressive flat area noise reduction (as mentioned earlier) is taking its toll on the image detail, this leads to a blotchy 'water-colour' look to some areas of the image and strange speckled artifacts against detail.

Scene comparison, Canon G2 @ ISO 100

Cameras were reset to factory defaults. Aperture priority was used on both cameras to use an aperture of F5.0 (or as close as possible). White balance was set to Manual Preset. Lighting - 2 x 800W studio lights with dichroic daylight filters bounced off a white ceiling reflector.

Casio QV-4000 Canon PowerShot G2
ISO ???, 1/2 sec, F5.6 (est. ISO 80) ISO 100, 1/6 sec, F5.0
Casio QV-4000 Canon PowerShot G2

Once more the G2 wins for colour balance, detail and overall resolution. Thanks to the QV-4000's noise reduction it trades off detail for cleaner flat areas, not a choice I'd make. What a shame, the lens and CCD clearly have the resolution but in places it's being "wiped clean" by algorithms which are just too aggressive.

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