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Pentax Optio WS80 - Test Shots - ISO Performance

By Cliff Smith
Reviewed:

Summary

Our Score

7/10

User Score

Review Price free/subscription

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.

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This is the full frame at 64 ISO.

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At ISO 640 the image quality isn't great but at least there's no noise.

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At 100 ISO there's already visible noise in the green channel.

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At 200 ISO that noise has spread to the whole image.

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Shadow detail is disappearing at 400 ISO.

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Colour distortion in the shadow areas at 800 ISO.

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1600 ISO and there's very little fine detail left, just a load of noise.

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3200 ISO is available at 5MP, but it's pretty poor.

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6400 ISO looks like it was shot on a cheap cellphone.

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This is the full frame at 6400 ISO.

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Marcel

October 29, 2009, 8:23 pm

I've read through this several times but am unable to find one of the most important specs of a waterproof camera - waterproof to what level of depth?

SpiderJacek

October 30, 2009, 2:22 am

This information is written on the first page of the review:





It is waterproof to a depth of 1.5 metres for up to two hours

Xrissio

October 30, 2009, 1:12 pm

I have bought one of these, and whilst the outdoor photos are acceptable, the indoor photos are very poor. Any artificial light induces unacceptable levels of noise, and the flash does nothing to help.


I have returned mine!

Marcel

October 30, 2009, 5:45 pm

D'oh! Sorry about that. Although I must say, 1.5m isn't particularly good compared to the likes of Canon D10 etc. One should almost call it "splash proof"...

betterlatethannever

November 18, 2009, 10:42 pm

I'm really pleased with my Ws80. Its 1.5m waterproofing is plenty enough for my holiday needs (kayaking, sailing, windsurfing, snorkelling etc). Its great on the beach because you can't get sand in the zoom mechanism. When it does get sandy/dirty just give it a rinse. I'm no expert photographer but I found the picture quality fine for my needs. What's annoying though is the price is now down at about £140 a real bargain but annoying if you paid £35 more than this! Definately worth the money for recording your family holidays.

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