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Canon PowerShot A590 IS - Test shots - ISO performance

By Cliff Smith



Our Score:


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.


This is a full-frame image at the minimum sensitivity of 80 ISO.


Image quality at the lowest ISO setting is superb.


At 100 ISO there is already some colour speckling visible.


Image noise is noticeable at 200 ISO.


At 400 ISO the noise is affecting the level of fine detail.


Very significant noise problems at 800 ISO.


At 1600 ISO the noise is so bad the image is virtually useless.


This is the full frame at maximum ISO.



June 10, 2008, 10:38 pm

Man, reading your comment on the Ol' A10, I remembered I still got my Ol' trusty a40 in almost mint condition... I don't use it for general photography anymore though. I bought the lens adaptor and got a tele and widelens for it in the day.

Nowadays is used mainly for stop motion animation. nice little bugger ^_^

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