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ISO Sensitivity/Noise levels (contd.)

Noise filter settings

The graph below shows the effect of setting the Noise Filter to any one of the four levels, from ISO 100 (125 equivalent), up to 1600. As can be seen, increasing the noise filter helps to keep noise down right from the lowest ISO settings, allowing the user to decide where they want the trade-off to be made between noise and noise reduction.

Below are the crops used to generate the data for the above graphs. As can be seen, the noise filter gives a good range of control over whether you prefer detail and noise, or low noise and low detail. We think the 'low' setting offers a good balance and it's good that Olympus lets you make this decision for yourself (and, if you want, pre-process RAW files in-camera if you want to see the results of each setting).

ISO 100
Noise filter: Off
ISO 100
Noise filter: Low
ISO 100
Noise filter: Standard
ISO 100
Noise filter: High

ISO 400
Noise filter: Off
ISO 400
Noise filter: Low
ISO 400
Noise filter: Standard
ISO 400
Noise filter: High

ISO 800
Noise filter: Off
ISO 800
Noise filter: Low
ISO 800
Noise filter: Standard
ISO 800
Noise filter: High

ISO 1600
Noise filter: Off
ISO 1600
Noise filter: Low
ISO 1600
Noise filter: Standard
ISO 1600
Noise filter: High

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