• 35mm 864.0mm2
  • 22.3 megapixels
  • ISO 100 - 25,600
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Canon EOS 5D Mark III
  • Sony Alpha ILCE-A7R III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon 5D Mark II
5D Mark II vs 5D Mark III
Sony A7R II
A7R II vs A7R III
Successor: Canon 5D Mark IV
5D Mark III vs 5D Mark IV
Sony A7R IV
A7R III vs A7R IV
General
Model Number: 5D Mark III A7R III
Alternate Model Number(s):   ILCE-7RM3
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $3500.00 $3200.00
Street Price: $2,079.48 $2,151.48
Date Available: 2012-03-20 2017-11-30
Tripod Mount: Yes Yes
Weight: 33.5 oz (950 g)
includes batteries
23.2 oz (657 g)
includes batteries
Size: 6.0 x 4.6 x 3.0 in.
(152 x 116 x 76 mm)
5.0 x 3.8 x 2.9 in.
(127 x 96 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 22.3 42.4
Sensor Format: 35mm 35mm
Sensor size: 864mm2 (36.00mm x 24.00mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 6.25 microns 4.51 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 81 100
DxO Color Depth Score (bits): 24.0 26.0
DxO Dynamic Range Score (evs): 11.7 14.7
DxO Maximum Effective ISO Score (iso): 2,293 3,523
Image Capture
Image Resolution: 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)
7952 x 5304 (42.2 MP, 3:2),
5168 x 3448 (17.8 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
7952 x 4472 (35.6 MP, 16:9),
5168 x 2912 (15.0 MP, Other),
3984 x 2240 (8.9 MP, 16:9),
5168 x 3448 (17.8 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2592 x 1728 (4.5 MP, 3:2),
5168 x 2912 (15.0 MP, Other),
3984 x 2240 (8.9 MP, 16:9),
2592 x 1456 (3.8 MP, 16:9)
Image File Format: JPEG (EXIF v2.3), RAW, M-RAW (10.5MP), S-RAW (5.5MP); 14-bit CR2 JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 6.0 9.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: .MOV (MPEG-4 AVC / H.264), ALL-I and IPB modes XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF Sony E
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 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. Fast Hybrid 4D AF with 399 focal plane phase-detect points and 425 contrast-detect AF points; Wide (399 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) /Expanded Flexible Spot/ Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; fixed eye-level pentaprism, 100% coverage, 0.71x magnification, 21mm eyepoint, -3 to +1 diopter, fixed focusing screen, on demand grid EVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.71x 0.78x
Viewfinder Magnification (nominal/claimed): 0.71x 0.78x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,044,000 dots (348,000 px) 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 25600 32000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-25600 in 1/3 or 1 EV steps, expandable to 50 (L), 51200 (H1) and 102400 (H2) AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom, Color Temperature Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 63-zone Evaluative, Center-weighted, Partial (center, 7.2%), Spot (center, 1.5%) 1200-zone Evaluative Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: n/a 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2, 10 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No 42.4 megapixels
Flash
Built-in Flash: No No
Flash Modes: n/a Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/200 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: CF1 / SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: No UHS support UHS-II
Other Memory: UDMA7 compliant Slot1:SD UHS-II; 2:MS/SD UHS-I
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, M-RAW (10.5MP), S-RAW (5.5MP); 14-bit CR2 RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: .MOV (MPEG-4 AVC / H.264), ALL-I and IPB modes XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or Wireless Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Mini HDMI (Type C), Remote Jack, Stereo Mic Jack, Stereo Monitor Jack, PC-Sync Terminal USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.0 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 63 82
RAW shooting speed in burst mode (fps): 6.0 9.2
Buffer size for RAW shooting in burst mode (frames): 18 30
RAW+JPEG shooting speed in burst mode (fps): 6.0 9.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 7 30
Shutter lag (full AF, wide/mid): 0.12 seconds 0.25 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): 0.095 seconds 0.105 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.061 seconds 0.023 seconds
Shutter Lag (notes): 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 Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s
Startup Time: 0.5 seconds 1.7 seconds
Play -> Record Time: 0.2 seconds 1.4 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 650 shots
Battery Life, Still (CIPA Rating OVF/EVF): 950 shots 530 shots
Battery Life, Video:   100 minutes
Battery Form Factor: Proprietary LP-E6 Proprietary
Usable Battery Types: Lithium-ion Rechargeable or BG-E11 battery grip NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E6 Lithium-ion rechargeable 1 x Proprietary NP-FZ100 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: Canon EOS Digital Solution Disc Capture One Express (for Sony) free download
OS Compatibility:    
Miscellaneous
Notes & Features: 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.