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Canon PowerShot A720 IS - Test shots - ISO performance

By Cliff Smith



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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.


Not surprisingly image quality is unchanged at 100 ISO.


Still no trace of noise at 200 ISO.


There is a little luminance noise at 400 ISO, but it is barely noticeable.


Noise is a bit more prevalent at 800 ISO, but the image is still printable.


Some fine detail has been lost at 1600 ISO, but the overall image quality is still surprisingly good.


This is the full-frame image at the maximum ISO setting of 1600.


Alan Downes

June 21, 2008, 8:07 pm

I am waiting for Canon to make a camera which will be a suitable replacement for my Powershot A620. Currently they make nothing that ticks all the right boxes.

Its quite simple. All I want is a tilt and swivel LCD and a reasonable battery indicator. The powershot I have, has a tendency to run the batteries down when its not being used. And when they do run out it gives you under 1 minute of warning before they give up completely..... which is absolutely ludicrous.

I have emailed them to ask if they have such a camera in their range. The reply i have says that they do either or, but not both. Until that day... I will wait.

william 2

July 9, 2008, 12:26 am

How about the Canon Powershot A650is?


July 10, 2008, 2:52 am

Now the price is down to 𧵃.99 at Jessops the A720IS looks a very good buy for anyone wanted a bit more control than a simple P&S.


December 21, 2008, 12:43 pm

I only paid 𧴹.99 for mine at Jessops. Lacks the 28mm capability of my Canon Ixus 850 (pickpocketed in Cape Town) but zooms out to 200+mm. Bulkier too but otherwise it's great and a real bargain at that price.

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