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Canon PowerShot G7

Author Cliff Smith
Published 11th Dec 2006
Manufacturer Canon
Price £261.28 (Exc VAT)
as reviewed £307.00 (Inc VAT)
Latest Price
Features Score 9 for Features
Image Quality Score 9 for Image Quality
Value Score 6 for Value
Overall Score 8 for Overall
Canon PowerShot G7
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A range of test shots are shown over the next few pages. Here, the full size image has been reduced for bandwidth purposes, and a crop taken from the original full resolution image has been placed below it in order for you to gain an appreciation of the overall quality.





1.0 sec, f/4, ISO 80
Doing the ISO samples was made unusually difficult because it seems that Canon has taken to hiding the ISO value in a non-standard field of the EXIF data that can only be read by Canon’s own software. Still, a nice sharp image with no trace of image noise.




1.0 sec, f/4, ISO 100
At 100 ISO, just ¼ of a stop higher, the image is of course still noise free.




0.6 sec, f/4, ISO 200
At 200 ISO there is still no appreciable image noise and the image is still nice and detailed.




0.3 sec, f/4, ISO 400
At 400 ISO there is just a little noise in the darker areas, but none of the random colour noise often seen at this speed.




1/6th, f/4, ISO 800
At 800 ISO the noise suddenly becomes more pronounced, but the colour noise is still kept to a minimum.




1/13th, f/4, ISO 1600
1600 ISO is noisier still, and now there is some colour noise visible as well, although at lower levels than most cameras.




1/25th, f/4, ISO 3200
Using the 3200 ISO option limits image size automatically to 1600 x 1200 resolution (2 megapixels) but does offer reasonable image quality for the size, with little visible noise.

 

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