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Sony Alpha A450 - Test Shots - ISO Performance

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 shaded natural light.


This is the full frame at minimum ISO.


Image quality at 200 ISO is very good, with no visible trace of noise.


At 400 ISO there is some distortion in the red channel colour gradient, and a light dusting of noise.


At 800 ISO the noise reduction kicks in and blurs out some fine detail.


Noise is again visible at 1600 ISO.


Noisier still at 3200 ISO.


More noise at 6400 ISO, and colour distortion in the green channel too.


Image quality at the maximum 12,800 ISO is very poor, with lots of noise and little fine detail.


This is the full frame at maximum ISO.


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