Camera Labs

How can I know in practice how well an anti-dust system performs? (without buying a dslr)
For example,Gordon in the K10D review said the on board system in not as effective as others. (refering maybe to the better option on the Olympus dslr-s)
Let's say...by comparison of the Xsi and the K10D,which has a better anti-dust feature? (it's not such an important detail for me,just that I want to know...I can't find any information of this kind)

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Gear: Nikon D80, 18-105mm, 35mm F/1.8, 85mm F/1.8, SB-600
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I dont know.. I have my K10d since last friday so I dont know how efficient it is yet.. the only thing that gets dusty are my lenses.. I have to clean them a lot.. especially with all the salt here near the coast

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| Pentax K5 | Pentax K10D | DA* 300 F4 | M 50mm F1.7 | Sigma AF 17-70mm F2.8-4.5 DC MACRO | AF 360 FGZ |

Hi Razvan, as I say in my reviews, there's no scientific way of measuring absolute dust reduction performance - all we can do is gather anecdotal evidence to build up a picture of how well it works.