Canon Dust Sensor SLRs?

It's hype. I saw tests of the various anti-dust technologies and the only one that was effective was on the Olympus cameras. All of the other technologies were only partially effective, meaning that you'll still need to clean the sensor.

I wouldn't buy a Canon just because of this one feature. I find the handling/ergonomics to be far more important (which is why I use Nikons instead of Canons, because I find the ergonomics to be better for me; your mileage may vary).

I think the technology that Canon has come up with to clean the sensor is really good. I own the 40d camera, shoot with it daily and have yet to had to clean the sensor.

I was cleaning my 20d on the 3rd day all the time basically. Remember a camera with a full frame sensor will draw more dust to it do to the way that the CMOS use in the sensor must be biased.

It is also not the best thing in the world to attempt to clean your sensor unless you know what you are doing, its a really easy way to damage your investment.

HTH

Don't matter because if you use a filter it can protect most of dust, unless u plan to shoot picture in desert or u change lens many many times during the day, little difference plus is not as work as advertised, u can do the same thing using photoshop. Depend what SLR u going for, most high end slr 1000+ like Nikon 200d is fully proof of dust, some low end like the new pentax 10d also proof of that.

its pretty helpful if you change lenses a lot. As in my experience with the 400D/Rebel Xti, there are persistent dust that will stick to the sensor, but not by much compared with my 300D/Rebel. They can clean very small particles but it's not 100% effective.

Basically dust will comes in when you change lenses so try to change lenses as few times as possible especially if you're outside. No DSLRs can prevent this so you need to be careful when you change your lenses. This is why I have 2 SLRs and bring them both on occassion - so I don't have to waste time changing lenses and risk my sensor of being exposed to the open air.

It's just hype. I've seen a lots of question on this site on how to remove dust from sensor in a Canon .

I have the 400D and I still get dust on the sensor, the anti-dust thing makes little difference.