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This is a test of the camera's noise levels. The higher the signal to noise ratio, the greater the difference in strength between the real image data and random background noise, so the 'cleaner' the image will look. The higher the signal to noise ratio, the better.
Nikon 1 J5 signal to noise ratio
JPEG analysis: The Nikon 1 J5's signal to noise ratio is significantly worse than the rest – you can expect its JPEG images to show more noise than those from the rival cameras in this group.
Raw analysis: When the raw files are compared, though, the situation is turned around completely. Now, the J5 is one of the best in the group.
Test scene samples
We also carry out real-world noise tests across the camera's ISO range with a specially set-up studio test scene. You can see two of the results below:
Click here for a full size version.
Click here for a full size version.
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