The new 21.1-megapixel, full-frame Canon EOS-1Ds Mark III digital SLR camera brings the power of Canon's professional imaging excellence and innovation into sharper focus than ever before. While Canon's EOS-1D series has dominated the 35mm-based professional Digital SLR market for the past six years, the new EOS-1Ds Mark III digital SLR takes Canon's pro-digital prowess into and the realm of high-fashion and commercial photo studios where bulkier, medium-format cameras previously reigned.

The Canon EOS-1Ds Mark III's compact, lighter-weight magnesium alloy body is rugged and versatile enough to take out of the studio and into the field. The camera's fast, five-frame-per-second (fps) shooting rate for bursts of up to 56 Large/Fine (21-megapixel) JPEGS or 12 RAW images is unmatched in its class, making it the ideal instrument for capturing the fluid motion and free-flowing lines of location-based fashion photography as well as a wide range of other professional photographic applications.

Revolutionary Resolution
Developed and manufactured by Canon specifically for the EOS-1Ds Mark III digital SLR, the camera's new full-size 36 x 24-millimeter CMOS image sensor offers the highest resolution in its class and is comprised of approximately 21.1 million effective pixels (5632 x 3750) set at a pitch of 6.4 microns. The user can select any one of six recording formats ranging from 21.0 megapixels in Large JPEG or RAW format, 16.6 or 11.0 megapixels in the two medium JPEG sizes, or 5.2 megapixels in the small JPEG or "sRAW" formats. In any JPEG format, the user can set one of ten compression rates for each image size. In sRAW mode, the number of pixels is reduced to one-fourth that of a standard RAW image and the file size is cut in half, while retaining all of the flexibility and creative possibilities associated with full-size, traditional RAW images.

Dual "DIGIC III" Image Processors
Fulfilling the ultra-low noise, ultra-high image quality promise of the EOS-1Ds Mark III Digital SLR camera requires handling the enormous signal processing requirements of the camera's 21-megapixel resolution and top continuous shooting speed of five fps. To accomplish this, Canon has incorporated two identical DIGIC III imaging engines into the camera for parallel (and hence, faster) signal processing. The CMOS sensor reads out to the dual "DIGIC III" processors simultaneously in eight channels. DIGIC III is the next generation of Canon's proprietary image processing engine. This technology ensures the fine details and natural colors of images are optimally recorded and, as an added bonus, is responsible for the EOS-1Ds Mark III SLR's high-speed performance, faster signal processing, and more efficient energy consumption.
Adding to the improved virtuosity of the images captured by the EOS-1Ds Mark III Digital SLR camera is the camera's 14-bit Analog-to-Digital (A/D) conversion process. Able to recognize 16,384 colors per channel (four times the number of colors recognized by the EOS-1Ds Mark II Digital SLR camera's 12-bit conversion capability), this line-leading model is able to produce images with finer and more accurate gradations of tones and colors. Additionally, given the significantly larger image file sizes created by the EOS-1Ds Mark III Digital SLR camera, Canon has provided compatibility with the new Ultra Direct Memory Access (UDMA) compact flash memory card specification, which enables ultra-high-speed data transfer to the card. Utilizing a UDMA compliant card doubles the data transfer speed compared to a conventional memory card, putting the new EOS-1Ds Mark III on par with the 10.1-megapixel EOS-1D Mark III camera, even though the pixel count of this new model is more than twice as large.

Advanced Autofocus Technology
The EOS-1Ds Mark III autofocus system--first introduced earlier in 2007 on the EOS-1D Mark III Digital SLR--has 45 AF points including 19 high-precision cross-type points and 26 Assist AF points. This new array allows the 19 cross-type points to be divided into groups of nine inner and nine outer focusing points plus a center point, which makes picking an individual focusing point much faster and easier than going through all 45. During manual AF point selection, the AF point area is expandable in two stages via Custom Function control.
At the request of sports and wildlife photographers, a new micro-adjustment feature allows for very fine changes in the AF point of focus for each lens type in use, along with the addition of adjustable focus-tracking sensitivity as another sophisticated new AF feature. Other new components in the AF system include the reconfigured concave submirror and the secondary image formation lens, both products of Canon's vast expertise in optical engineering. Finally, the low-light sensitivity of the new AF sensor has been doubled to EV-1 for superior performance compared with earlier EOS Digital SLRs.

Live View
One of the dynamic innovations incorporated into new EOS Digital SLRs--and optimized for professional shooters on the EOS-1Ds Mark III digital SLR--is Canon's Live View shooting mode, which provides photographers with an expanded and exceedingly convenient set of shooting options beyond the conventional SLR through-the-lens viewing. Framing and shooting subjects using the camera's LCD screen affords the shooter the same 100 percent field of view provided by the optical viewfinder--this is a full-frame Digital SLR after all--but Live View has the added advantage of allowing the image to be more easily composed on the camera's bright and brilliant 230,000-pixel, three-inch LED screen. Additionally, the LCD-viewed image can be magnified by five or ten times in order to ensure that the shot is optimally focused.
Live View is at its best during tripod shooting, particularly for close-up photography where precise focusing is imperative. As a side benefit, the Live View shooting mode helps to reduce vibration by lifting the reflex mirror out of the optical path well in advance of the exposure, improving image quality at slow shutter speeds. Additionally, as the release time lag is miniscule, even instantaneous movements like a bird taking flight can be readily captured. The shutter charge sound can be delayed and made quieter than normal in Live View mode to avoid spooking wildlife or disturbing people nearby with unwanted camera sounds.

If a user is going to be several feet away from the camera, such as in some studio settings, the EOS-1Ds Mark III can be connected by cable to a computer via its USB 2.0 High-Speed interface. The camera can also be operated remotely at distances up to 492 feet with the assistance of the optional Wireless File Transmitter WFT-E2A, which allows users to view images directly off the camera's sensor in virtually real time, with the ability to adjust many camera settings quickly and easily.

Viewing Display
Easy to read, even in outdoor conditions such as bright sunlight, the EOS-1Ds Mark III Digital SLR camera features a three-inch, 230,000-pixel wide-angle LCD display screen. The TFT color liquid-crystal monitor features seven user-settable brightness levels and a wide, 140-degree viewing angle, both horizontally and vertically. An added advantage of the large, three-inch display size is the ability to utilize a larger font size for text, making it easier to read setting and menu options on the screen.
Canon extends its "ease-of-reading" policy to the EOS-1Ds Mark III's viewfinder as well. Bright and clear with zero distortion, a 100 percent picture coverage, and a magnification factor of .75x, it is the finest viewfinder ever placed in an EOS camera.

EOS Integrated Cleaning System
Another first for a professional digital SLR of this caliber is Canon's complete dust management solution, called the EOS Integrated Cleaning System. The new CMOS image sensor is designed with a lightweight infrared absorption glass cover that vibrates for 3.5 seconds when the camera is turned on or off. This brief delay can be cancelled immediately upon start-up by pressing the shutter button half way. Dust that has been shaken or blown loose of the sensor is trapped by adhesive surfaces surrounding the sensor unit housing, preventing the problematic particles from reattaching themselves to the filter when the camera moves.
Like its sibling, the EOS-1D Mark III, the shutter of the EOS-1Ds Mark III Digital SLR camera carries a durability rating of 300,000 cycles and, though it generates less dust, still charges itself three times during the manual cleaning process so that dust is shaken off the shutter curtains as well. This cleaning system uses very little battery power and can be turned off in the custom function menu.

The second part of the dust management system is a software solution that maps the location of any spots that may remain on the sensor. The mapped information is saved as Dust Delete Data and attached to the image file. Subsequently, the offending dust information is subtracted from the final image during post processing, using the supplied Digital Photo Professional software.

Rock Solid Reliability
The entire body of the EOS-1Ds Mark III, including its internal chassis and mirror box, is made of an advanced magnesium alloy for exceptional strength and rigidity. Comprehensive weatherproofing at 76 locations on the camera body ensures superior reliability, even when shooting in harsh environments. Together with the 300,000-cycle shutter durability rating, these features result in a camera that, even though it is six ounces lighter than the EOS-1Ds Mark II, can truly withstand even the most severe shooting conditions.

Improved Software
Among the most valuable features of the EOS-1Ds Mark III Digital SLR is its compatibility with Canon's new Picture Style Editor 1.0 software. With PSE, photographers can personalize the look of their photographs by inputting their own preferred image processing parameters, including custom tone curves. The EOS-1Ds Mark III Digital SLR also ships with the latest versions of Canon's powerful software applications, including Digital Photo Professional 3.2 and EOS Utility 2.2, which support the camera's Remote Live View and Dust Delete Data functions, as well as incorporating a broad range of additional improvements designed to improve image quality and speed up workflow. Particularly noteworthy in DPP 3.2 is a new Lens Aberration Correction Function that corrects various image defects such as chromatic aberration, color blur, vignetting, and distortion. Initially, the Lens Aberration Correction Function will support images captured by the EOS-1Ds Mark III and 11 other EOS Digital SLRs using any of 29 individual EF and EF-S lenses. Also included are ZoomBrowser EX 6.0 and ImageBrowser 6.0 for easy browsing, viewing, printing, and archiving with compatible computer operating systems, including Microsoft Windows Vista and Windows XP, as well as Mac OS X.

Canon EF 14mm f2.8L II USM Lens
Designed primarily for discerning landscape and architectural photographers, the Canon EF14mm f2.8L II USM lens is ideally suited to the EOS-1Ds Mark III's full-frame capability. Measuring 3.7 inches in length and weighing in at under 23 ounces, this ultra-wide angle L-series prime lens is well corrected for rectilinear distortion, provides a 114-degree diagonal angle of view, and delivers high-speed autofocus with higher image quality overall including superior peripheral image quality, compared to its predecessor, the stalwart EF 14mm f2.8L USM lens.
While its large diameter, high-precision aspherical and UD elements, optimized lens element positioning, and flare and ghost-reducing lens coating ensure that this lens delivers the top optical performance in its professional class, Canon has added other features photographers have been asking for--improved dust and water resistance incorporated around the mount, switch panel and focusing ring, and a round aperture that creates a nice background blur and makes it easier to recognize an out-of-focus scene in less than brightly lit conditions. Furthermore, Canon has created a new lens cap specifically for the EF 14mm f2.8L II USM that is held to the lens by a stopper.

Building on the success of Canon's perennially popular "prosumer" EOS 20D and 30D models, the EOS 40D advances the state-of-the-art for mid-range digital SLR cameras, making it a natural first choice for advanced amateur photographers and entry-level professionals, and an ideal second body for more established photo pros. Indeed, given the level of feature upgrades and improvements, technological wizardry, and user-requested creative controls, the Canon EOS 40D SLR's "prosumer" appellation may refer more to its accessible price point than to the exceptional quality, clarity, and resolution of the images it creates.

From the camera's newly enhanced, 10.1-megapixel CMOS imaging sensor (designed and manufactured by Canon) and its proprietary and super-efficient DIGIC III image processor, to its completely redesigned autofocus sensor and fast, 6.5 frame-per-second (fps) continuous shooting capability (for bursts of up to 75 Large/Fine JPEGs or 17 RAW images), the EOS 40D SLR puts the fun in functionality and makes serious photo business a positive pleasure.

Indeed, at 6.5 fps, no digital SLR in the EOS 40D mid-range class and price category has so high a continuous shooting capability, making it ideal for shooting--and actually capturing--speed-sensitive outdoor and wild-nature shots as well as a wide variety of action and sports scenes. The speed of the EOS 40D SLR comes from Canon's balanced combination of its latest processor, DIGIC IIII, DDR SDRAM high-speed memory, four-channel-per-line sensor readout, and two separate motors for shutter and mirror operation.

Display's the Thing
The most easily visible upgrade on the EOS 40D Digital SLR is the camera's larger 3.0-inch LCD screen (compared with the EOS 30D's 2.5-inch monitor). Still, size is only the beginning of the difference between these two cameras' displays. In order to increase viewing ease in outdoor conditions such as bright sunlight, Canon raised the brightness level of the EOS 40D camera's 230,000-pixel LCD screen, broadened the color gamut, and narrowed the viewing angle from 170 degrees to a still wide 140-degree perspective in all directions. An added advantage of the larger-sized display is the ability to use a larger font size for text, making it easier to read setting and menu options on the screen. The camera's menu is organized in the same tabbed format as the EOS-1D Mark III Digital SLR.
Canon extends its "ease-of-reading" policy to the EOS 40D SLR's viewfinder as well. The upgraded viewfinder increases optical magnification from 0.90x to 0.95x, expands the viewing angle from 251 degrees to 264 degrees and raises the eye point from 20mm to 22mm.

Enhanced Durability
Recognizing the often rigorous shooting conditions encountered by professional and advanced amateur photographers, Canon design engineers made the EOS 40D SLR's magnesium alloy exterior even more ruggedly dependable than its predecessors with upgraded dust- and weather-resistant construction, particularly around the camera's connection ports, battery compartment, and single-slot compact flash (CF) memory card door. Should the user inadvertently open the compact flash card door while the camera is writing to the card, a warning will pop up on the LCD screen and an open door "alarm" will sound, but the image(s) will continue writing to the memory card without interruption. The EOS 40D SLR also retains many of the outstanding features of the EOS 30D model, such as its fast 0.15-second initial start-up, its extremely durable shutter (rated up to 100,000 cycles), its top shutter speed of 1/8000 second, and 1/250 maximum X-sync flash shutter speed setting.

Improved Image Quality
Although it is based on the image sensor used in the EOS Digital Rebel XTi, the EOS 40D Digital SLR's 10.1-megapixel CMOS APS-C size image sensor has been significantly improved thanks to the use of larger microlenses over each pixel to reduce noise and expand sensitivity up to ISO 3200. The EOS 40D retains the model 30D camera's 1.6x focal length conversion factor (compared to full-frame digital image sensors or 35mm film) and is compatible with the full line-up of Canon EF lenses as well as the Company's expanding selection of high-quality, affordable EF-S lenses created specifically for Canon digital SLRs with APS-C size image sensors.
Adding to the improved virtuosity of the images captured by the EOS 40D SLR is the camera's 14-bit Analog-to-Digital (A/D) conversion process. Able to recognize 16,384 colors per channel (four times the number of colors recognized by the EOS 30D SLR's 12-bit conversion capability), the EOS 40D camera is able to produce images with finer and more accurate gradations of tones and colors. The EOS 40D also incorporates the optional Highlight Tone Priority and High-ISO Noise Reduction functions first introduced earlier this year with the EOS-1D Mark III Professional Digital SLR.

DIGIC III
DIGIC III is the latest generation of Canon's proprietary image processing engine. DIGIC III technology ensures that the fine details and natural colors of the images are optimally recorded and, as an added bonus, is also responsible for the EOS 40D SLR's high-speed performance, faster signal processing, and even its efficient energy consumption.

sRAW
In addition to retaining the RAW image capture capabilities of its predecessors, the EOS 40D SLR now offers a more manageable "sRAW" recording format. In sRAW mode, the number of pixels is reduced to one-fourth that of a standard RAW image and the file size is cut in half, while retaining all of the flexibility and creative possibilities associated with full-size, conventional RAW images.

Improved Autofocus and Exposure Control
While the EOS 40D SLR maintains the nine-point wide area AF coverage first introduced on the EOS 20D camera, Canon has made significant improvements to its speed, precision, and functionality, minimizing subject recognition problems in the process. The EOS 40D camera's completely redesigned nine-point AF sensor provides cross-type AF measurement at all nine focusing points for maximum apertures up to f5.6, and for the first time in any EOS camera, the central AF point offers enhanced precision for both vertical and horizontal subject contrast when using EF or EF-S lenses featuring maximum apertures of f2.8 or faster. AF calculation speed with the EOS 40D camera is 30 percent faster than the EOS 30D model.
The Canon EOS 40D Digital SLR retains the same 35-zone metering sensor as its predecessor. Available patterns include Evaluative metering, which is linked to all AF points and is set automatically in the Basic Zone modes, Centerweighted average metering, Partial metering, and Spot metering, covering approximately 9 percent or 3.8 percent of the viewfinder at center, respectively. The camera's E-TTL II autoflash and 12 exposure control modes (11 AE modes plus manual) are also unchanged from the EOS 30D SLR model. However, as a result of consumer input, Canon has added three Custom exposure modes. As an added convenience, particularly for wireless flash operations, users can adjust the flash settings of the Canon Speedlite 580EX II directly from the camera.

The Canon EOS 40D camera offers ISO speeds from ISO 100 to ISO 1600 in 1/3-stop increments. Users can also opt for a high-speed setting of ISO 3200. For the first time in any EOS camera, the 40D model offers Auto ISO capability in Creative Zone exposure modes. This valuable new feature adjusts the ISO speed to the optimal setting based on low light or shaky shooting conditions. Additionally, the EOS 40D provides full-time display of the active ISO speed setting, both in the viewfinder as well as on the top LCD data panel.

The Canon EOS 40D Digital SLR is also the first camera in its class to offer two interchangeable focusing screens in addition to the standard precision matte screen. Users can opt for a grid-type focus screen that makes it easier to verify horizontal or vertical alignment while determining image composition, as well as the Super-Precision Matte focusing screen that makes it easier to grasp the "sweet spot" of manual focusing when using a lens with a maximum aperture of f2.8 or faster.

Enhanced Live View
Previously the province of the EOS-1D Mark III DSLR (one of Canon's top-tier professional cameras), the Live View function now gives EOS 40D camera users an expanded and exceedingly convenient and comfortable set of shooting options. By permitting the framing and capturing of subjects using the camera's LCD screen instead of the viewfinder, the shooter gains a 100 percent field view to more easily achieve the desired composition. A new Custom Function on the EOS 40D allows autofocus during Live View by pressing the camera's AF-ON button. At that point, the reflex mirror goes down and AF is carried out in the normal way. Letting go of the AF-ON button resumes Live View functions. Also, in the Live View shooting mode the user can magnify the image by five or ten times in order to ensure that the shot is optimally focused. Live View is at its best during tripod shooting--particularly for close-up photography where precise focusing is imperative. As a side benefit, the Live View shooting mode helps to reduce vibration by lifting the reflex mirror out of the optical path well in advance of the exposure, improving image quality at slow shutter speeds. A new electronic 1st-curtain shutter function in Live View mode reduces release time lag and operational noise even further to avoid spooking wildlife or disturbing people nearby with unwanted camera sounds. Additionally, as the release time lag is miniscule, even instantaneous movements like a bird taking flight can be readily captured.

EOS Integrated Cleaning System
First introduced on the EOS Digital Rebel XTi camera, the EOS Integrated Cleaning System is a prime example of trickle-up technology and is now becoming a standard feature on all new EOS Digital SLRs. The camera's Self-Cleaning Sensor Unit uses ultrasonic vibrations to literally shake dust particles off of the low-pass filter in front of the sensor each time the camera is powered up or shut down. Users also have the option of engaging the "clean now" function at will or bypassing it altogether. Additionally, the EOS 40D SLR's manual sensor cleaning function raises the mirror and allows users to clean dust that has stuck to the low-pass filter. Dust that has been shaken or blown loose is then trapped by adhesive at the base of the sensor unit housing, preventing the problematic particles from reattaching themselves to the filter when the camera moves. The second part of the cleaning system is a software solution that maps the location of any spots that may remain on the sensor. The mapped information is saved as Dust Delete Data and attached to the image file. Subsequently, the offending dust information is subtracted from the final image during post processing with a compatible personal computer, using the supplied Digital Photo Professional software.

Improved Software
Among the most valuable features of the Canon EOS 40D Digital SLR is its compatibility with Canon's Picture Style Editor (PSE) 1.0 software. With PSE, shooters can actually design the look of their photographs by inputting their own preferred style, color, and tone curves. The EOS 40D Digital SLR also ships with the latest versions of Canon's powerful software applications, including Digital Photo Professional 3.1 and EOS Utility 2.1, which now support the camera's Remote Live View and Dust Delete Data functions, as well as incorporating a broad range of additional improvements designed to improve image quality and speed up workflow. Also included are ZoomBrowser EX 5.8 and ImageBrowser 5.8 for easy browsing, viewing, printing, and archiving with compatible computer operating systems, including Microsoft Windows Vista and Windows XP, as well as Mac OS X.

Accessories (Not Included--Must be Purchased Separately)
New system accessories for the EOS 40D SLR include the redesigned high-capacity Battery Grip BG-E2N, which facilitates high-volume shooting and easier vertical shooting. Compatible with up to two BP-511A battery packs or a set of six AA-size batteries, the battery grip approximately doubles the number of shots that can be taken, compared with the battery power of the EOS 40D SLR alone. The BG-E2N grip features new sealing material around the battery compartment to better resist water and dust. The new model replaces the original BG-E2 grip and is compatible with the EOS 20D, 30D, and 40D models.
Designed exclusively for the EOS 40D SLR, the new Wireless File Transmitter WFT-E3A permits wireless transfer and back-up, as well as remote control of the camera in Live View mode. It can also be connected to various GPS receivers or Hi-Speed USB 2.0 external storage devices such as convenient flash drives or high-capacity hard drives with much larger storage capacity than the memory cards in the camera for instant back-up as images are captured. Compact and affordable, the WFT-E3A wireless transmitter also doubles as a vertical grip and requires its own BP-511A battery pack in addition to the battery installed in the camera body.

EF-S 18-55mm f3.5-5.6 IS Lens
Developed in response to consumer demand for a high-quality yet affordable optically image stabilized lens, the Canon EF-S 18-55mm f3.5-5.6 IS standard zoom lens adds a phenomenally flexible lens to the EOS 40D SLR shooter's imaging arsenal. While it features the wide-angle to mid-range zoom flexibility of its non-IS predecessor, this new EF-S 18-55mm f3.5-5.6 IS lens offers the significant advantage of a true lens-shift image stabilization system that yields up to a full four stops of image-shake correction.
The higher performance provided by Canon's lens shift IS system (compared with the in-camera sensor shift type offered in some competitive SLRs) includes the ability to optimize the lens performance for specific shooting situations such as low-light, long-zoom, or movement while shooting (or virtually any combination of the three). What's more, the shooter can see the image stabilization effect in the viewfinder. As the image already appears steady, more accurate framing and composition is possible, the AF point can be placed more precisely, and the photographer can concentrate on the optimal shot more comfortably.

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The AF sensor is probably a derivative of the one used in the 1D3, which has had it's fair share of issues since it was released. For "AF One Shot" mode, it seems to work much better than the previous sensors, but AI Servo in bright sunlight has some tracking issues. Hopefully the 40D will escape these problems.

Mirror lock-up: Possible via Custom Function III-6-1

Should the user inadvertently open the compact flash card door while the camera is writing to the card, a warning will pop up on the LCD screen and an open door "alarm" will sound, but the image(s) will continue writing to the memory card without interruption.