Casio Exilim EX-Z85 Review - Test Shots – ISO Performance Review

”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. These ISO test images are shot indoors using reflected natural light for maximum consistency. ”


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This is the full frame at the minimum ISO setting.


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The Z85’s limited minimum shutter speed has resulted in noticeable under-exposure at 64 ISO, and even at this setting there is some image noise visible, in the colour mottling on the coloured areas.


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Exposure is more accurate at 100 ISO, but the noise effects are still visible.


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Noise is slightly worse at 200 ISO.


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More noise at 400 ISO, but at least the overall expsoure and colour balance is still accurate, and the actual level of detail isn’t too bad.


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At 800 ISO the noise is becoming a real problem, and a lot of fine detail has been lost.


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At 1600 ISO the noise is really bad, and the picture is barely useable.


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This is the full frame at maximum sensitivity.


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