• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 35mm 864.0mm2
  • 22.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K-x
  • Canon EOS 5D Mark III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K2000
K2000 vs K-x
Canon 5D Mark II
5D Mark II vs 5D Mark III
Successor: Pentax K-r
K-x vs K-r
Canon 5D Mark IV
5D Mark III vs 5D Mark IV
General
Model Number: K-x 5D Mark III
Alternate Model Number(s):    
Camera Format: SLR Pro SLR
Currently Manufactured: No No
Retail Price: $649.95 $3500.00
Street Price: $701.76 $2,139.48
Date Available: 2009-10-15 2012-03-20
Tripod Mount: Yes Yes
Weight: 27.9 oz (791 g)
includes batteries, kit lens
33.5 oz (950 g)
includes batteries
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm)
6.0 x 4.6 x 3.0 in.
(152 x 116 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 12.4 22.3
Sensor Format: APS-C 35mm
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 5.53 microns 6.25 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 72 81
DxO Color Depth Score (bits): 22.8 24.0
DxO Dynamic Range Score (evs): 12.5 11.7
DxO Maximum Effective ISO Score (iso): 811 2,293
Image Capture
Image Resolution: 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)
5760 x 3840 (22.1 MP, 3:2),
3840 x 2560 (9.8 MP, 3:2),
2880 x 1920 (5.5 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG (EXIF v2.3), RAW, M-RAW (10.5MP), S-RAW (5.5MP); 14-bit CR2
Continuous-mode frames/second: 4.3 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x416 (24)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
Movie File Format:   .MOV (MPEG-4 AVC / H.264), ALL-I and IPB modes
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) Canon EF
Lens: smc Pentax DA L 18-55mm f/3.5-5.6 AL n/a
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: 52.0mm n/a
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: SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot Phase Detect : 61-point (up to 41 cross-type points); One to five cross-type AF points at f/2.8, 10 to 20 cross-type AF points at f/4, and 15 to 21 cross-type AF points at f/5.6.
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter SLR type; fixed eye-level pentaprism, 100% coverage, 0.71x magnification, 21mm eyepoint, -3 to +1 diopter, fixed focusing screen, on demand grid
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.57x 0.71x
Viewfinder Magnification (nominal/claimed): 0.85x 0.71x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.2
Rear Display Resolution: 230,000 dots 1,044,000 dots (348,000 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 6400 25600
Minimum ISO (native): 200 100
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 Auto, 100-25600 in 1/3 or 1 EV steps, expandable to 50 (L), 51200 (H1) and 102400 (H2)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom, Color Temperature
Shutter Speed Range: 1/6000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot 63-zone Evaluative, Center-weighted, Partial (center, 7.2%), Spot (center, 1.5%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: 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 n/a
Self Timer: 2 or 12 seconds 2, 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless n/a
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/200
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC CF1 / SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:   UDMA7 compliant
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) RAW, M-RAW (10.5MP), S-RAW (5.5MP); 14-bit CR2
Movie File Format:   .MOV (MPEG-4 AVC / H.264), ALL-I and IPB modes
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 Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Optional Wired or Wireless
Connections (extended): AC adapter available Mini HDMI (Type C), Remote Jack, Stereo Mic Jack, Stereo Monitor Jack, PC-Sync Terminal
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.43 <0.3
Buffer size for RAW shooting in single shot mode (frames): 10 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.3 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 63
RAW shooting speed in burst mode (fps):   6.0
Buffer size for RAW shooting in burst mode (frames):   18
RAW+JPEG shooting speed in burst mode (fps):   6.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   7
Shutter lag (full AF, wide/mid): 0.10 seconds 0.12 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.78 seconds
Shutter lag (prefocused, live view - DSLR):   0.060 seconds
Shutter Lag (manual focus): 0.082 seconds 0.095 seconds
Shutter lag (full AF, with flash): 0.23 seconds  
Shutter Lag (prefocused): 0.082 seconds 0.061 seconds
Shutter Lag (notes): Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s Optical Viewfinder: Full AF shutter lag, wide-area mode: 0.142s Live View: Full AF shutter lag, phase-detect: 0.823s Full AF shutter lag, contrast-detect: 0.780s Prefocused: 0.060
Startup Time: 0.6 seconds 0.5 seconds
Play -> Record Time: 0.2 seconds 0.2 seconds
Flash cycle time, full power: 3.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   200 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA) 950 shots
Battery Life, Video:    
Battery Form Factor: 4 x AA Proprietary LP-E6
Usable Battery Types: Lithium, Alkaline disposables; NiMH rechargeables Lithium-ion Rechargeable or BG-E11 battery grip
Batteries Included: 4 x AA Alkaline disposables 1 x Proprietary LP-E6 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: CD-ROM Canon EOS Digital Solution Disc
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+  
Miscellaneous
Notes & Features: 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. New 22.3-megapixel Full-frame CMOS Sensor, DIGIC 5+ Processor, 61-point AF System, 63-zone iFCL Metering System, 6fps Bursts, Full HD video, 100% OVF, 3.2" 1.04M-dot LCD, Dual Card Slots (SD+CF), HDR Mode, Multiple Exposure Support, Scene Intelligent Auto, Comparative Playback, Dual-Axis Electronic Level, Auto Lighting Optimizer, In-Camera RAW Processing.