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Canon IXUS 90 IS - Test Shots - ISO Performance

By Riyad Emeran


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A range of test shots are shown over the next few pages. Here, the full size images at the minimum and maximum ISO settings have been reduced for bandwidth purposes to let you see the full image, and a series of crops taken from original full resolution images at a range of ISO settings have been included in order for you to gain an appreciation of the overall quality.


This is the full frame at 80 ISO


At 80 ISO the image is completely sharp and clean.


There's no discernable difference at 100 ISO.


Pushing up to 200 ISO and the IXUS 90 IS still produces clean and detailed images.


At 400 ISO some noise begins to creep in, but the result is still very respectable.


Things start to go south at 800 ISO, with noticable noise and loss of detail.


At 1600 ISO the DIGIC III processor just can't cope with the amount of CCD noise intruding on the image. Detail is completely lost in low intensity areas, and the colour fidelity suffers considerably.


This is the full frame at 1600 ISO


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Simon Hall

January 22, 2009, 2:08 am

After having recently owned a Panasonic Lumix Fs5 and Nikon Coolpix S560 and being unhappy with both of them I decided to buy one of these little numbers based on a few good reviews. I can honestly say I love it. It produces excellent images, the build quality is beyond reproach, it also looks stunning. It also has a great range of features, such as face detection that actually works (Unlike the Nikon) and an Auto mode that is almost fool proof (unlike the Panasonic). However there is plenty of scope to be creative with this camera, you can manually select ISO and colour setting as well as manually select long exposure times. It also has a colour accent mode which allows one colour to come out in colour and everything else to be in black and white.

The only things I am not too keen on are the limited zoom range and the fact it is quite heavy. But that is the price you pay for it being all metal. There is also a small amount of corner blurring on some photo's but it is in no way worse than other compacts I have used.

I would recommend this camera to anyone after a decent quality compact. It may not be the cheapest, but you get what you pay for.

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