Reducing Noise

You can reduce noise that arises in RAW images shot at night or with a high ISO speed.

NR is an abbreviation for “noise reduction”.

1Select the [NR/Lens/ALO] tab sheet from the tool palette in the edit window or edit image window.

2Adjust an image.

Drag the sliders right

OYou can set a noise reduction level from within a range of 0 to 20. The larger the setting, the larger the noise reduction effect.

3Click the [Apply] button.

¿Noise reduction is applied to the image and the image is redisplayed.

4Display the image in the [100% view] or [200% view].

¿You can check the noise reduction effect.

OIn the [50% view] or [Fit to window] display, it may be difficult to check the noise reduction effect.

Additional information

OThe noise reduction function does not work

Noise reduction cannot be applied when [Viewing and saving RAW images] (p.72) is set to [High speed] in the [Preferences] window. Select [High quality] to reduce noise.

OTo check the noise reduction effect, enlarge the image and display it

Because noise reduction effect is difficult to see in the [50% view] and [Fit to window] displays, use [100% view] or [200% view] to check the noise reduction.

You can set the default noise reduction beforehand, using [Default noise reduction settings] in the [Tool palette] tab sheet in Preferences (p.75).

•When [Apply camera settings] is selected, you can pre-set a noise reduction level that suits the camera settings beforehand as the default.

•When [Set as defaults] is selected, you can pre-set a preferred default setting for the noise reduction level beforehand. This is particularly useful for applying noise reduction to all the images in a folder at once, such as batch noise reduction for images with high ISO speeds.

However, for images with recipes attached, the noise level recorded in the recipe will be applied.

OIf [Luminance noise reduction] has been set, resolution may be reduced along with reduction of noise.

OIf [Chrominance noise reduction] has been set, color bleeding may occur along with reduction of noise.

OFor a list of tool palette functions, refer to p.110.