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Canon EOS 40D: Overview | Features | Specifications | Accessories | Large Image 
Canon EOS 40D Digital SLR Shop the Canon EOS 40D OnlineGet Canon EOS 40D Body Only Kit Price / Buy Online

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Canon EOS 40D Digital SLR
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Canon EOS 40D Digital SLR - Features

Canon EOS 40D: E-TTL II Flash Exposure Control

The E-TTL II (Evaluative Through-The-Lens) flash metering system weighs and averages the flash metering information from both ambient light and preflash readings. E-TTL II captures the subject as a "plane" and not as a "point," so the 40D can obtain consistent flash exposures even if the subject contains radical changes in color or reflectivity. The system compares the ambient light with the reflected pre-flash off the subject reported in all 35 metering zones and selects the areas with a small difference to be weighted for flash exposure calculation.

This system also eliminates or under weights areas with large difference recognizing them as an extremely reflective object in the background or as a highly reflective subject, smartly ensuring it by considering the distance information data provided from compatible EF lenses. The system similarly prevents over-exposure when photographers lock focus and recompose the shot by considering the flash output level calculated according to the broader distance. The camera also allows users to select an average metering pattern by using its custom function settings.
Canon Speedlite 580EX II
Canon Speedlite 580EX II

Canon's Speedlite 580EX II is perfectly suited to the EOS 40D. It has improved reliability of communications through the direct contacts, has a metal flash foot, and is dust- and water-resistant. Other new features include a PC socket on the flash unit, and an external metering sensor for non-TTL auto flash if desired. With the EOS 40D, you can set most flash settings directly from the camera's menus. It has the same power as the previous Speedlite 580EX (maximum guide number of 190 ft./58m at ISO 100) and, when mounted on the camera, automatically compensates for the camera's sensor size, enabling high output flash, with more flashes per charge. It includes an AF-assist Beam, which works in conjunction with the EOS 40D's focusing system, and automatically sends color temperature information to the camera when the flash fires, for more accurate white balance rendition with flash photography.

Canon EOS 40D: Canon EOS Digital Solution Disk (Version 15.0)

The EOS 40D comes bundled with an updated Canon EOS Digital Solution Disk, which features powerful software programs designed to extend the EOS experience to the computer. These include Canon's ZoomBrowser EX for Windows® (Version 5.8), ImageBrowser for Macintosh® OS X (Version 5.8), Digital Photo Professional (Version 3.1), the totally new Picture Style Editor (Version 1.0), Canon's EOS Utility (Version 2.1), RAW Image Task (Version 2.7), PhotoStitch, and PTP TWAIN Driver. Each application is designed to perfect captured images and streamline the digital workflow. ZoomBrowser EX v.5.8 and Digital Photo Professional v.3.1 for Windows are compatible with the new Windows Vista operating system, too.

Digital Photo Professional (Version 3.1)
An image processing program that enables high-speed RAW image processing, high-speed previewing for real-time image adjustment and support for sRGB, Adobe RGB and Wide Gamut RGB color spaces. Because it's CMS (Color Management System) compatible, Digital Photo Professional allows for easy image layout and printing in Adobe RGB in conjunction with Easy-PhotoPrint and PictBridge printers. It also features the Dust Delete Data Detection tool for cleaner images.
EOS Utility (Version 2.1) for Macintosh or Windows
Handles the connection between the camera and computer, whenever they're connected via USB. The latest version of EOS Utility provides essential support for remote shooting control, camera configuration, remote Live View support and configuration of the new Original Data Security Kit OSK-E3 and Wireless File Transmitter WFT-E2 accessories. EOS Utility can be configured to monitor 'hot' folders, automatically renaming and moving incoming images to a structured file system -- ideal for Wi-Fi transfers, or for commercial and studio photographers who want to shoot direct to a computer.
ZoomBrowser EX (Version 5.8) for Windows and ImageBrowser (Version 5.8) for Mac OS X
The easy, user-friendly options for viewing and editing of JPEG and even RAW image files. Both allow viewing of numerous types of images including finished TIFF and BMP files. Both also have a variety of search options for finding images, allow re-naming of single images or batches of files, and offer a variety of options for printing without using a separate image-editing program.
RAW Image Task (Version 2.7) for Windows/Macintosh
This software is an integrated component of ZoomBrowser EX (Windows) or ImageBrowser (Mac). It allows processing of RAW images from EOS cameras, including the new EOS 40D, with a variety of adjustment possibilities. These options, as well as the overall color, contrast and "look" of RAW Image Task, closely mimic the characteristics of Canon's in-camera JPEG processing.

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