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Canon Digital IXUS 100 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. These pictures were taken indoors using tungsten light.


This is the full frame at 80 ISO.


At the minimum sensitivity setting the image quality is excellent.


There's no real difference at 100 ISO.


Still no noise problems at 200 ISO.


Noise is starting to show at 400 ISO, but the image quality is still good.


More noise at 800 ISO, and some loss of detail, but the tonal gradients are still quite smooth.


Canon has wisely limited the IXUS 100 IS to 1600 ISO, and you can see why.


This is the full frame at 1600 ISO.



November 15, 2009, 3:46 pm

When do we get the s90 for review?


May 10, 2010, 2:29 am

I am quite a collector of cameras, some expensive some cheap, my favourites are Sony but I do have some very nice canons and after a search for a sharp image camera used mostly for travel pics I immediately bought the Canon IXUS 100 IS after Jessops recommended it. It looks like a toy but remaining hopeful I began to take my shots. I used the camera in my living room which is very bright and the leather furniture is white and wooden flooring. The picture came with a yellow tinge making everything look yellow, I then used a flash but no different. The HD footage was good but nothing fantastic. I then downloaded my shots to picasa but when I focussed in at the shots, the pictures went grainy. I am not pleased at all and would love to hear from others about their experience with this camera.

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