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Pentax Optio V20
| Author | Cliff Smith |
| Published | 20th Jun 2008 |
| Manufacturer | Pentax |
| Price | £139.13 (Exc VAT) |
| as reviewed | £160.00 (Inc VAT) |
| Latest Price | Click here |
| Build Quality | ![]() |
| Features | ![]() |
| Image Quality | ![]() |
| Value | ![]() |
| Overall | ![]() |
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.

Click to enlarge
This is a full-frame image at the minimum sensitivity of 80 ISO.

Image quality is very good at 80 ISO, with smooth texture and excellent detail.

There is very slight colour mottling at 100 ISO, but overall quality is still very good.

There is slight noise reduction blurring at 200 ISO, but not enough to cause a problem.

400 ISO and there is still plenty of fine detail, although there are signs of noise in the green areas.

At 800 ISO the noise reduction really goes to work, and a lot of fine detail is scrubbed out.

Image quality is greatly reduced at 1600 ISO.

3200 ISO is limited to 5MP, and image quality is very poor.

6400 ISO at 5MP, and it looks like a still from YouTube.

Click to enlarge
This is the full frame at the maximum ISO setting.
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