Pentax Optio T20 - Test Shots – Full Res Crops



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A range of test shots are shown over the next few pages. Here, the full size image has been reduced for bandwidth purposes, and a crop taken from the original full resolution image has been placed below it in order for you to gain an appreciation of the overall quality. The following pages consist of resized images so that you can evaluate the overall exposure. For those with a dial-up connection, please be patient while the pages download.


1/160th, f/2.7, ISO 80

At 80 ISO this shot is noise free and has plenty of sharp detail, allowing you to see why so many tourists come down to Devon each summer.


1/125th, f/4.3, ISO 160

Up one stop to ISO 160 and there is still no visible image noise.


1/320th, f/4.3, ISO 400

Up to 400 ISO and now there is some colour distortion and image noise visible, but it is well controlled and there is still enough detail in the shot to make a good print.


1/800th, f/4.3, ISO 800

At the maximum ISO setting of 800 the image is suddenly very noisy, enough to compromise quality even on a small print.