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Olympus E-620 Digital SLR - Test Shots - ISO Performance

Over the next few pages we show a range of test shots. On this page the full size image at the minimum and maximum ISO settings have been reduced to let you see the full image, and a series of full resolution crops have taken from original images at a range of ISO settings to show the overall image quality.

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/94/589e76/85c5/11146-iso100fullframe.jpg

This the full frame at ISO100

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/94/52c090/90ab/11146-iso100.jpg

At ISO100, and with gradation set to Normal, image quality is high, with good tonality, colour and high levels of detail.

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/94/8f55a5/0e4a/11146-iso200.jpg

At ISO200, there's slight improvement in contrast and apparent sharpness.

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/94/789bd6/cd5c/11146-iso400.jpg

Images at ISO400 retain good detail and colour.

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/94/2d5b02/e66c/11146-iso800.jpg

At ISO800 there's slightly gritty luminance noise, and quite noticeable colour speckling in the darker shadows.

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/94/1c4348/baf1/11146-iso1600.jpg

At ISO1600 noise reduction is removing colour speckling in brighter areas leaving quite pronounced gritty noise.

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/94/54935c/f3a2/11146-iso3200.jpg

At ISO3200 using the default Auto NR and STD Noise Filter settings there's distinctly more colour noise than at lower ISOs and there's a noticeable lowering of detail but it's likely fine for small prints.

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/94/667cfd/f76f/11146-iso3200fullframe.jpg

This is the full frame at ISO3200

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