• APS-C 369.7mm2
  • 10.1 megapixels
  • ISO 100 - 1600
  • APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • Detailed specifications
  • Canon EOS 40D
  • Pentax K-x
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon 30D
30D vs 40D
Pentax K2000
K2000 vs K-x
Successor: Canon 50D
40D vs 50D
Pentax K-r
K-x vs K-r
General
Model Number: 40D K-x
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: No No
Retail Price: $1299.00 $649.95
Street Price:   $701.76
Date Available: 2007-09-15 2009-10-15
Tripod Mount: Yes Yes
Weight: 29.8 oz (844 g)
includes batteries
27.9 oz (791 g)
includes batteries, kit lens
Size: 5.7 x 4.3 x 2.9 in.
(146 x 108 x 74 mm)
4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon  
Effective Megapixels: 10.1 12.4
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 6.10 microns 5.53 microns
Focal Length Multiplier: 1.6x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 64 72
DxO Color Depth Score (bits): 22.1 22.8
DxO Dynamic Range Score (evs): 11.3 12.5
DxO Maximum Effective ISO Score (iso): 703 811
Image Capture
Image Resolution: 3888 x 2592 (10.1 MP, 3:2),
2816 x 1880 (5.3 MP, 3:2),
1936 x 1288 (2.5 MP, 3:2)
4288 x 2848 (12.2 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
Image File Format: JPEG, RAW, sRAW (14-bit CR2) JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 6.4 4.3
Video Capture
Can take movies: No Yes
Movie Resolution: 1280x720 (24)
640x416 (24)
Movie File Format:    
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: Yes No
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: Canon EF/EF-S Pentax K (KA/KAF/KAF2/3)
Lens: n/a smc Pentax DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent):   27 - 84mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.00x
Aperture Range:   f/3.5 - 22 (W), f/5.6 - 38 (T)
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values:   n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: AF-dedicated CMOS Sensor, 9 cross-type AF points SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR; eye-level pentaprism, interchangeable screen, 95%, 0.95x, 22mm relief, -3.0 to +1.0 diopter SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.57x
Viewfinder Magnification (nominal/claimed):   0.85x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 230,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 1600 6400
Minimum ISO (native): 100 200
ISO Settings: Auto, 100 - 1600 in 1/3 or 1EV steps, 3200 via custom function Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom, Kelvin 2,800K - 10,000K Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 35-zone Evaluative, Center-weighted, Partial, Spot (3.8%) 16-segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Green Zone, Portrait, Landscape, Close-up, Action, Night Portrait, Flash Off Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority
Self Timer: 10,2 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: E-TTL II On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 11.3 m / 37.1 ft.
Flash Range Description: Lens aperture dependent Depends on lens
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: CF1 / CF2 / Microdrive SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, sRAW (14-bit CR2) 12-bit RAW (.PEF, .DNG)
Movie File Format:    
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes
Remote Control Type:   Optional IR
Connections (extended): N3-type push-in terminal AC adapter available
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.39
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 0.43
Buffer size for RAW shooting in single shot mode (frames): 14 10
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.4 4.3
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 25
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.13 seconds 0.10 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.078 seconds 0.082 seconds
Shutter lag (full AF, with flash):   0.23 seconds
Shutter Lag (prefocused): 0.061 seconds 0.082 seconds
Shutter Lag (notes): Full AF lag Live View Silent Mode 1 = 0.166s Full AF lag Live View Silent Mode 2 = 0.168s Full AF lag Live View Silent Mode disabled = 0.283s Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s
Startup Time: 0.4 seconds 0.6 seconds
Play -> Record Time: 0.3 seconds 0.2 seconds
Flash cycle time, full power: 2.9 seconds 3.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots 420 shots (NiMH AA)
Battery Life, Video:    
Battery Form Factor: Proprietary BP-511/A, BP-512; BG-E2N Battery Grip 4 x AA
Usable Battery Types: Lithium-ion rechargeble Lithium, Alkaline disposables; NiMH rechargeables
Batteries Included: 1 x Proprietary BP-511A Lithium-ion rechargeble 4 x AA Alkaline disposables
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Digital Photo Professional 3.1, EOS Utility 2.1, ZoomBrowser EX 5.8 and ImageBrowser 5.8 CD-ROM
OS Compatibility: Windows XP/Vista, Mac OS X. Windows XP/Vista/7, MacOS-X 10.3+
Miscellaneous
Notes & Features: Replaces EOS 30D - 10.1 MP, APS-C CMOS sensor - Single DIGIC III processor, 14-bit, Highlight Tone Priority mode - ISO 100-1600/3200 - 6.5fps, 75 JPEG, 17 RAW - Faster 9-point AF, all cross-type - Improved 0.95x, 0.95% viewfinder - 3-inch LCD with Live View function - Integrated Cleaning System with Self-Cleaning Sensor Unit, Dust Delete Data - Magnesium alloy body cover, weather-proofed - 100K actuation shutter Additionally offered in a kit version with Canon's EF 28-135mm f/3.5-5.6 IS USM zoom lens at an estimated selling price of $1,499.00 Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced.