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Pentax Optio A40 Review
| Author | Cliff Smith |
| Published | 14th Mar 2008 |
| Manufacturer | Pentax |
| Price | £165.22 (Exc VAT) |
| as reviewed | £190.00 (Inc VAT) |
| Latest Price | Click here |
| Features | ![]() |
| Image Quality | ![]() |
| Value | ![]() |
| Overall | ![]() |
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 minimum ISO.

At 50 ISO the picture is sharp and clean with excellent detail.

Very little difference at 100 ISO.

At 200 ISO there is some luminance noise, but colour reproduction is unaffected.

At 400 ISO the noise reduction kicks it up a notch, reducing fine detail.

Image quality is much worse at 800 ISO.

At 1600 ISO there is very little fine detail left.

This is the full frame at maximum ISO.
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Pat F said on 14th June 2009
Danni said on 18th August 2009
Goodness, I found this page while searching to find an exact replacement for my Optio A40 in advance of claiming through my house insurance for accidental damage!
I bought m... more
Catherine Bradshaw said on 25th August 2009
I bought a Pentax Optio A40 from Comet on the 28/12/08 at a discounted price of £89.99. I was extremely pleased with my 'bargain' purchase and had been very happy with it up ... more
Andrew Smith said on 25th August 2009
I had exactly the same experience as the above - ie one day the camera was fine - the next the screen had gone - except it has happened to me twice. I had bought the camera from J... more
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After a bit of researching on the net, I bought a Pentax OptioA40 on 10.03.2009. I used it twice. The second time I was using it, I was wandering around a public garden taking phot... more