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CMS-XML When Attempting to Open Digital Photo Professional, an Error Message Appears (Screen Resolution and Enlargement Scale)
CMS-XML Understand "Cannot playback image" message on the camera.
Possible issues and resolutions If you have multiple memory cards, initialize another memory card and take some test shots. If images can be played back normally, the card that shows the error message may be malfunctioning. Try reformatting the faulty memory card to solve the issue.
CMS-XML Find the list of camera lenses compatible with Digital Lens Optimizer and Lens Aberration Correction - Digital Photo Professional
NOTE You can filter the displayed lenses by adding a checkmark to the [Select a lens category] checkbox. Using the Digital Lens Optimizer in Digital Photo Professional Ver.4.x
CMS-XML Reduce blur when shooting with auto focus
Tips for taking sharp and crisp images Use a sharpening filter in post-processing. You can use computer software and adjust the sharpness and contrast of the image.
CMS-XML How to focus using the LCD monitor on the EOS 20Da.
This camera is approximately 2.5x more sensitive to hydrogen-alpha light (656nm) than the EOS 20D. Photographs of normal subjects that reflect a lot of infra-red light taken with this camera will therefore appear more red than the actually are. An infra-red cutoff filter (commercially available) can be used to reduce this redness.