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Sony Cyber-shot DSC-T70 - Test shots - ISO performance
A range of test shots are shown over the next few pages. Here, the full size images at the minimum and maximum ISO settings have been reduced for bandwidth purposes to let you see the full image, and a series of crops taken from original full resolution images at a range of ISO settings have been included in order for you to gain an appreciation of the overall quality.
This is the full frame at 80 ISO.
At 80 ISO the image is clean and sharp, with good colour and no visible noise.
Much the same result at 100 ISO.
There is a bit of colour noise at 200 ISO, but the overall image quality is still pretty good.
Noise is sterting to become a problem at 400 ISO, with the noise reduction blurring out fine detail.
At 800 ISO the image noise and noise reduction effects are much more noticeable.
Image quality is very poor at 1600 ISO, with widespread noise and little fine detail.
As is usually the case, 3200 ISO is virtually useless.
This is the full-frame at 3200 ISO.
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