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Canon® EOS 40D Digital Field Guide by Charlotte K. Lowrie

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Chapter 1. Exploring the Canon EOS 40D

In This Chapter

  • Anatomy of the EOS 40D

  • Setting the date and time

  • Choose the file format and quality

  • Setting file numbering

  • Shooting modes

Whether you are a wedding, landscape, nature, or portrait photographer, the Canon EOS 40D is a star performer in virtually all respects. In terms of image resolution and quality, the 10.1-megapixel sensor delivers 16-×-11-inch inkjet print sizes and offers the telephoto advantage of a 1.6x focal length multiplication factor. The new sensor microlens and Canon's new DIGIC III processor with four-channel reading and 14-bit analog-to-digital (AD) conversion combine to offer very fine image detail, finer gradation, far more color information than in previous 12-bit models, and noticeably faster camera performance with improved processing speed and writing to the CompactFlash card.

Standard and basic shooting modes are available on the Mode dial along with three customizable C modes so you can register your most often used modes, exposure, camera, and Custom Function settings. The 40D offers the full complement of metering and drive-mode options that are suitable for a wide range of shooting scenarios. ISO options including ISO expansion cover a broad range of lighting needs, and the noise performance is excellent even at the highest sensitivities. Depending on the ISO, the 40D's dynamic range—the range of dark-to-light values that can be captured by the camera as measured in f-stops—is approximately nine f-stops with ...

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