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Pentax Q Mirrorless Digital Camera Review$799.00
The Q does not allow the user to turn noise reduction completely off, but allows the choice between automatic, high, or low. The highest noise reduction setting keeps noise at or under 1% all the way through ISO 6400, where it only hits 1.04% by our testing. That's fairly aggressive by interchangeable lens camera standards, but the Q does retain a good deal of fine detail even at this setting, completely wiping away most signs of image noise. The automatic setting sits between low and high, and doesn't ramp up noticeably throughout the ISO range. It would likely be more useful if it were named "medium" instead of "automatic," but all the modes do their job without allowing noise to overpower the image. More on how we test noise.
The Pentax Q offers an ISO range of 125-6400 in 1/3 stops. ISO can be controlled by pressing the top button on the rear four-way control pad and adjusting the rear control wheel. Also selectable is an automatic ISO mode, which will choose a setting between a user-defined range. That range can be as large as ISO 125-6400 or as small as 125-160, giving users finer control over how the camera automatically selects exposure.