I think you hit upon it. At least I had not thought about it before.
The dust shaker window is in front of the sensor and the filter pack.
Anything on the dust shaker window is far enough away to be out of
focus.
Picture half way down:
http://www.dpreview.com/reviews/olympuse500/page4.asp
Winsor
Long Beach, California, USA
On Apr 14, 2006, at 11:03 AM, Wayne S wrote:
> The lens opening to sensor distance for the E-1 is close to
> the distance in the 5D, while the 5D needs a full frame mirror,
> hence there is not as much room to get the dust as far from the
> sensor. The E-1 has more mirror box space and can afford
> to put a membrane further from the sensor. That was the
> advantage I was referring to. As usual though, everything
> is a tradeoff.
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