Pentax K-r Red K-r Black K-r Manual - Page 102
Reducing the Image Noise (Noise Reduction), Select [High-ISO NR] in
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100 Reducing the Image Noise (Noise Reduction) When shooting with a digital camera, image noise (image roughness or unevenness) becomes noticeable in the following situations. - when shooting with a long exposure - when shooting with a high sensitivity setting - when the temperature of the CMOS sensor is high You can reduce image noise by using Noise Reduction. However, images shot with Noise Reduction will take longer to save. Shooting Functions High-ISO NR 4 Reduces noise at high sensitivity (ISO) settings. 1 Select [High-ISO NR] in the [A Rec. Mode 2] menu and press the four-way controller (5). The [High-ISO NR] screen appears. 2 Press the four-way controller (5) and use the four-way controller (23) to select [Auto], [Off], [Low], [Medium], [High] or [Custom]. High-ISO NR ISO NR AUTO Auto Off ISO NR OFF ISO NR Low ISO NR Medium ISO NR High Custom ISO NR CUSTOM MENU Cancel OK OK Auto Off Low/Medium/High Custom Applies Noise Reduction at optimally calculated levels throughout ISO range. (default setting) Does not apply Noise Reduction at any ISO setting. Applies Noise Reduction at constant chosen level throughout ISO range. Applies Noise Reduction at user-defined levels for each ISO setting. 3 Press the 4 button. If you select [Auto], [Off], [Low], [Medium] or [High], proceed to Step 7.