The EOS 400D features:

• 10.1 Megapixel CMOS sensor
• Canon’s EOS Integrated Cleaning System
• 2.5” LCD screen with 230K pixels and 160º viewing angle
• High-precision 9 point AF system
• Picture Style image processing parameters
• DIGIC II image processor with 0.2 sec start up
• Digital Photo Professional RAW processing software
• Compact and Lightweight body
• Fully compatible with all Canon EF and EF-S lenses and EX-series Speedlites

Improved Performance
As well as the EOS Integrated Cleaning System, the EOS 400D incorporates a number of developments over the EOS 350D. Resolution increases from 8.0 to 10.1 Megapixels, using the superior hi-sensitivity, hi-speed, low-noise CMOS technology now found in all six EOS Digital models. At nearly twice the size of the EOS 350D display, the 2.5” hi-resolution LCD is the brightest in the EOS range and now displays all of key shooting and user interface information along with image playback. The AF system expands from 7 to 9-point, with a highly sensitive f/2.8 center point for exceptional performance in low light. Even with the image resolution increase, maximum frame burst almost doubles from 14 to 27 large JPEGs and from 5 to 10 RAW.

Dust reduction
The EOS 400D is the first camera to incorporate the EOS Integrated Cleaning System. Based on significant research into the causes of dust in D-SLR cameras, the system combats dust in three important ways: Reduce, Repel and Remove.

1. Reduce
Internal camera mechanisms are designed to minimise dust generation. The body cap is redesigned to prevent dust generation through wear on the cap itself.
2. Repel
Anti-static technologies are applied to the low-pass filter covering the front of the sensor so as not to attract dust.
3. Remove
A Self-Cleaning Sensor Unit uses hi-frequency vibrations to shake dust from the low pass filter for approximately one second after each start up. For instant shooting after power up, this feature is disabled immediately the shutter release is depressed.

Canon has also developed an internal Dust Delete Data system, which can map the position of any visible dust on the sensor. This can then be deleted automatically after the shoot with the latest Digital Photo Professional software.

The EOS advantage
The EOS 400D inherits a number of advanced features proven in higher-end EOS models, such as the EOS 30D and 5D. These include its 9-point AF system, Picture Style (see Appendix: Technologies Explained), 9,999 image capacity folders and expanded Pictbridge functionality.

The EOS 400D also incorporates the same DIGIC II processor found across the EOS range right through to EOS 1 professional models (see Appendix ‘Technologies Explained’). As well as providing superior image quality through advanced rendering algorithms and almost instant 0.2 second start up time, DIGIC II’s accelerated processing prioritises the photographer’s ability to keep shooting by clearing the buffer quickly between frame bursts.