Canon EOS Digital Rebel XT White Paper
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Canon EOS Digital Rebel XT White Paper

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C
WHITE PAPER
THE CANON EOS DIGITAL
REBEL XT CAMERA:
AN EXCEPTIONAL
COMBINATION OF
DESIGN, PERFORMANCE
AND AFFORDABILITY

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Summary of Contents for Canon EOS Digital Rebel XT

  • Page 1 WHITE PAPER THE CANON EOS DIGITAL REBEL XT CAMERA: AN EXCEPTIONAL COMBINATION OF DESIGN, PERFORMANCE AND AFFORDABILITY...

  • Page 2: Table Of Contents

    Camera Direct Printing Software CONCLUSION Contents ©2005 by Canon U.S.A., Inc. All Rights Reserved. Excerpts from this material may be quoted in published product reviews and articles. For further information, please contact Canon U.S.A., Inc. Public Relations Dept., (516) 328-5000.

  • Page 3: Overview

    The Digital Rebel XT camera’s closest relatives in the Canon DSLR lineup are the original EOS Digital Rebel and the EOS 20D models. The original Digital Rebel is the breakthrough camera that established the under $1,000 category for DSLR (Digital Single Lens Reflex) cameras when it was introduced in 2003.
  • Page 4 In 2004, IBM received the most U.S. patents, as it had in each of the previous ten years. Canon was third. In the past ten years, Canon has been second on six occasions and third on four. Considering the differentials in size, sales volume and R&D...
  • Page 5 Any new product from Canon, but especially a new digital single lens reflex camera, is the fruit of this intellectual wealth. For instance, virtually every significant piece of hardware in the new EOS Digital Rebel XT is designed and made by Canon on machinery that is also designed, made and maintained by Canon.
  • Page 6 For a similar cost, the EOS Digital Rebel XT camera offers compatibility with the entire range of Canon EF and EF-S lenses, Canon EX-series Speedlites and most EOS system accessories, plus speed, responsiveness and a complete set of controls to make the camera function superbly in any shooting situation.

  • Page 7: Summary Of New And Improved Features

    II. SUMMARY OF NEW AND IMPROVED FEATURES Design • Smallest Canon EOS Digital SLR ever: 25% smaller in total volume and 2.5 ounces lighter than the original EOS Digital Rebel/300D Digital • Among the smallest and lightest cameras in its class •...

  • Page 8: Enhanced User Controls

    • E-TTL II is available with built-in flash and all EX-series Speedlites • E-TTL II works with all Canon EF and EF-S lenses • Distance information from compatible Canon EF lenses now used in flash exposure calculation • Evaluative E-TTL II flash metering no longer linked to active AF point •...

  • Page 9: Connectivity And Compatibility

    • New second-curtain flash sync with Canon EX-series Speedlites and Custom Function 9-1 • Wireless E-TTL II provides ratio control of up to three flash groups over a six stop range with select Canon EX-series Speedlites and ratio control of up to two flash groups with accessory Speedlite Transmitter ST-E2 Connectivity and •...

  • Page 10: Iii. Feature Discussion

    III. FEATURE DISCUSSION New 8 Megapixel The component of the new Canon EOS Digital Rebel XT Image Sensor camera that will receive the most first-look attention is the all-new, Canon-designed and manufactured, 8.0 effective megapixel, single-plate, CMOS sensor. It has a 2:3 aspect ratio (the same as 35mm film), with 2312 x 3472 effective pixels.

  • Page 11: New Digic Ii Imaging Processor

    horizontally. The linear polarized light is converted into circular polarized light by the phase plate. The second crystal plate separates the images vertically, resulting in four duplicate images arranged in a square matrix. The image separation in the horizontal and vertical directions is optimized for the sensor pitch so that false colors and moiré caused by minute horizontal and vertical lines in the subject are reduced while resolution is actually increased.

  • Page 12: Autofocus

    Closest distance to the camera for continuous AI Servo AF (w/ EF 300mm f/2.8L IS USM) *According to a test of all movable mirror type SLR cameras made by Canon (Feb.1, 2000). In the Creative Zone modes, the user can now select the...

  • Page 13: E-Ttl Ii Autoflash

    Automatic AF point selection To enable manual focusing with the focusing ring, the lens focus mode is switched to M or MF (with Canon EF and EF-S lenses). When focus is achieved, the focus confirmation icon and superimposed display light up.

  • Page 14: White Balance

    the presence and location of a high-reflectance object. The selected pre-flash readings are added and averaged and the output of the main flash is calculated. Even if the subject changes position, reflectance or size, the flash metering remains highly accurate and stable. Some other highly useful changes to the flash system of the EOS Digital Rebel camera have occurred: •...

  • Page 15: Controls

    For a custom WB setting, first take a picture of a white subject serving as the white balance standard. Then, set the custom WB mode on the onscreen menu and specify that image. In a substantial upgrade from the EOS Digital Rebel camera, the flash color data transmission function from the EOS 20D enables the built-in flash or an accessory Speedlite 580EX to provide flash color information which is used in exposure calculation when the white balance is set to “AWB”...

  • Page 16: Processing Parameters

    Processing Parameters The Digital Rebel XT camera has the same range of image processing parameters as the EOS 20D: Parameter Set 1 (contrast, sharpness and color saturation set to +1) is optimized for vivid, sharp images upon which no retouching will be performed before direct printing.

  • Page 17: Menus

    C. Fn. 8 controls whether the E-TTL II autoflash system operates in its evaluative mode or its averaging mode. Finally, C. Fn. 9 determines whether the built-in flash or an accessory Canon EX-series Speedlite is synchronized to fire after the first shutter curtain completes its travel or just before the second shutter curtain begins to move.

  • Page 18: Image Display

    Image Display In playback mode, a timely revision of the Jump function enables the user to move quickly to a particular image or group of images, no matter how far one needs to go. Carried forward is the ability to jump 10 frames. New are both the ability to jump 100 frames and the ability to jump to the first image of another day’s shooting.

  • Page 19: Exposure Controls

    Exposure Controls The EOS Digital Rebel XT camera offers a broad and flexible range of exposure controls. In the Basic Zone modes, evaluative metering, linked to all 7 AF points, is automatically selected. In the Creative Zone modes, partial metering at the center (9% of the viewfinder) and centerweighted average metering are also available.

  • Page 20: Power Management

    AA batteries should be considered only as a last resort. The NB-2LH is used in several Canon PowerShot S-series cameras, as well as a variety of Canon Mini-DV camcorders, so it is a standard stock item at many Canon dealers.

  • Page 21: Design And Construction

    There are six JPEG quality options, as well as .CR2 RAW only (the new RAW image type featured in Canon digital cameras from the EOS-1D Mark II onward) and a RAW+ JPEG setting in which a RAW file and a Large/Fine JPEG are recorded simultaneously and saved as separate images on the CompactFlash card.
  • Page 22 The exterior finish is more refined than the EOS Digital Rebel camera’s. The Canon logo is now embossed and colored to give the XT a high-quality appearance. Both titanium silver and satin black body colors will be offered.

  • Page 23: Interfaces And Compatibility

    Interfaces and Three interface terminals are provided on the side of the body. The EOS Compatibility Digital Rebel XT camera has a USB 2.0 Hi-Speed, mini-B connector that transfers data from the camera to a computer approximately ten times faster than the USB 1.1 connector on the EOS Digital Rebel camera. Video output is provided for both NTSC and PAL, and provision is made for the RS-60E3 Remote Switch.

  • Page 24: Software

    ImageBrowser. It allows users to display and process RAW images and to restore the processing parameters used on the camera. Its algorithms are well matched to Canon cameras, providing image processing with the same color tones as the camera itself. It also features functions for converting and saving RAW images as TIFF or JPEG and for adding ICC profiles.
  • Page 25 RAW workflow and image editing application program aimed primarily at professional and high-end amateur photographers who shoot RAW images. It uses Canon’s own algorithms to provide fast RAW image display and processing and offers a range of real time image adjustment functions.

  • Page 26: Iv. Conclusion

    1D Mark II, EOS-1Ds Mark II and EOS 20D cameras. It will surely be the case once again with the EOS Digital Rebel XT camera. Contents ©2005 by Canon U.S.A., Inc. All Rights Reserved. Excerpts from this material may be quoted in published product reviews and articles. For further information, please contact Canon U.S.A., Inc. Public Relations Dept., (516) 328-5000.

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