• Superb image quality: 10.1 Megapixel CMOS Sensor, extensive noise reduction technology, and 14-bit conversion for outstanding color tones and gradations.
• Outstanding performance: 6.5 fps, burst rate up to 75 consecutive JPEGs or 17 RAW images and DIGIC III Image Processor.
• Strong, rugged build quality: magnesium-alloy exterior, shutter durability-tested to 100,000 cycles, top speed 1/8000, top x-sync speed 1/250.
• New AF system with 9 cross-type sensors, and world's first diagonal high-precision cross-type AF at center point with f/2.8 and faster lenses.
• EOS Integrated Cleaning System, Picture Style settings, Spot metering, and Highlight Tone Priority for advanced in-camera image control.
• Large 3.0-inch LCD monitor and advanced Live View Function with new options for reduced shutter time lag and quiet operation.
• Wide range of accessories, including interchangeable focusing screens, extensive remote control options, new battery grip BG-E2N, and new dedicated wireless file transmitter WFT-E3A.

Canon EOS 40D Specifications:

• Type: Digital AF/AE SLR
  
• Recording medium: CF Card Type I and II and external media (USB v.2.0 hard drive, via optional Wireless File Transmitter WFT-E3A)
  
• Compatible Lenses: Canon EF, EF-S, TS-E, and MP-E lenses
  
• Lens mount: Canon EF mount
  
• Total pixels: Approx. 10.50 megapixels
• Effective pixels: : Approx. 10.10 megapixels
• Aspect Ratio: 3:2 (Horizontal : Vertical)
  
• Image Format: JPEG, RAW (Canon CR2)
  
• File Size:
  (1) JPEG/Large: Approx. 3.5MB (3,888 x 2,592)
  (2) JPEG/Medium: Approx. 2.1MB (2,816 x 1,880)
  (3) JPEG/Small: Approx. 1.2MB (1,936 x 1,288)
  (4) RAW: Approx. 12.4MB (3,888 x 2,592)
  (5) sRAW: Approx. 7.1MB (1,936 x 1,288) )
  
• Color Space: Selectable between sRGB and Adobe RGB
  
• White balance settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent Light, Flash, Custom WB setting, user-set Color Temperature (2,500~10,000K)
  
• Viewfinder: Eye-level SLR with solid glass pentaprism
  
• Autofocus:
  TTL-CT-SIR AF-dedicated CMOS sensor, 9 points
• Focusing modes Autofocus (One-Shot AF, Predictive AI Servo AF, AI Focus AF), Manual Focus (MF)
• ISO speed: Equivalent to ISO 100-1600* (in 1/3-stop or whole stop increments), ISO speed can be expanded to ISO 3200
• Shutter: Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled
• Shutter speeds: 1/8000 to 30 sec. (1/3-stop increments), X-sync at 1/250 sec.
• Built-in Flash: Auto pop-up, retractable, built-in flash in the pentaprism
• LCD Monitor: TFT color, liquid-crystal monitor
• Battery: One dedicated Battery Pack BP-511A
  AC power can be supplied via the optional AC Adapter Kit ACK-E2
• Dimensions (W x H x D) 5.7 x 4.2 x 2.9 in./145.5 x 107.8 x 73.5mm
• Weight 26.1 oz./740g