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| With a conventional interchangeable-lens digital SLR, the photographer had to very carefully remove the lens, open the shutter (mirror up and valve exposed), and clean out any dust. One mistake could end up damaging the camera. Additionally, removing the lens and working with the mirror box exposed to the air left a lot to be desired as a way of removing dust, as this risked allowing more dust to adhere. OLYMPUS equipped the camera with a Supersonic Wave Filter, packed with features for automatically removing dust. This new system frees the photographer from a major issue with interchangeable-lens digital SLR cameras. |
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| No Worry about Dust Getting into Camera with OLYMPUS E-SYSTEM |
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| 160x120 2.19 MB |
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320x240 14.1 MB |
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| Image Sensor Unit |
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Cross Section of Sensor Unit |
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| The E-1 features an exclusive new OLYMPUS-developed Dust Reduction System that significantly reduces problems caused by image sensor dust contamination. Such contamination can occur if dust enters the camera when changing lenses, or is generated by the friction of the shutter or other moving parts inside the camera. The system utilizes a Supersonic Wave Filter positioned in front of the CCD, between the low pass filter and the shutter. The dust that is captured by the filter can then be instantly removed by ultrasonic activation prior to shutter release. In addition, the CCD and low pass filter are hermetically isolated from the rest of the camera to help prevent dust from reaching them. Thanks to this new Dust Reduction System, users can more consistently obtain beautiful photos because the chance that image quality will be degraded by stray dust particles is greatly reduced. |
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| Supersonic Wave Filter |
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