• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • 35mm 864.0mm2
  • 30.3 megapixels
  • ISO 100 - 40,000
  • Detailed specifications
  • Sony Alpha ILCE-A7R III
  • Canon EOS R
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7R II
A7R II vs A7R III
 
Successor: Sony A7R IV
A7R III vs A7R IV
 
General
Model Number: A7R III EOS R
Alternate Model Number(s): ILCE-7RM3 R
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $3200.00 $3399.00
Street Price: $2,798.00 $1,799.00
Date Available: 2017-11-30 2018-10-15
Tripod Mount: Yes Yes
Weight: 23.2 oz (657 g)
includes batteries
48.0 oz (1,360 g)
includes batteries, kit lens
Size: 5.0 x 3.8 x 2.9 in.
(127 x 96 x 74 mm)
5.3 x 3.9 x 3.3 in.
(136 x 98 x 84 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 42.4 30.3
Sensor Format: 35mm 35mm
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 4.51 microns 5.36 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: Yes Yes
DxO Sensor Score: 100 89
DxO Color Depth Score (bits): 26.0 24.5
DxO Dynamic Range Score (evs): 14.7 13.5
DxO Maximum Effective ISO Score (iso): 3,523 2,742
Image Capture
Image Resolution: 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)
6720 x 4480 (30.1 MP, 3:2),
4464 x 2976 (13.3 MP, 3:2),
3360 x 2240 (7.5 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
5952 x 4480 (26.7 MP, 4:3),
3968 x 2976 (11.8 MP, 4:3),
2976 x 2240 (6.7 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
6720 x 3776 (25.4 MP, 16:9),
4464 x 2512 (11.2 MP, 16:9),
3360 x 1888 (6.3 MP, 16:9),
2400 x 1344 (3.2 MP, Other),
4480 x 4480 (20.1 MP, 1:1),
2976 x 2976 (8.9 MP, 1:1),
2240 x 2240 (5.0 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1)
Image File Format: JPEG, RAW (14-bit ARW 2.3), RAW+JPEG JPEG (EXIF v2.3), RAW (14 bit), C-RAW; RAW+JPEG
Continuous-mode frames/second: 9.9 8.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
3840x2160 (30p/​25p/​24/​23.98p)
1920x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1280x720 (120p/​100p/​60p/​30p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony E Canon RF
Lens: n/a Canon RF 24-105mm F4 L IS USM
Focal Length (35mm equivalent):   24 - 105mm
Focal Length (actual):   24 - 105mm
Zoom Ratio:   4.38x
Aperture Range:   f/4 - f/22; with 9 blades
Integrated ND Filter: No
Normal Focus Range:   39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 77.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
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: 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 Phase Detection AF: Dual Pixel CMOS AF; Max. 5655 points (selectable); Face+Tracking AF (with eye detection), 1-point AF ([AF frame size] can be set to [Small]), Expand AF Area (Above, below, left and right/Around); Zone AF Large Zone AF (Vertical/Horizontal)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / LCD
Viewfinder Type: 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 EVF; 0.5-inch OLED, 3.69 million dots, 100% coverage, 0.76x magnification, 23mm eyepoint, -4 to +3 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 3,686,400 dots (1,228,800 pixels) 3,690,000 dots
Viewfinder Magnification (35mm equivalent): 0.78x 0.76x
Viewfinder Magnification (nominal/claimed): 0.78x 0.76x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,440,000 dots (360,000 px) 2,100,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:    
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 32000 40000
Minimum ISO (native): 100 100
ISO Settings: AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 Auto, 100-40000 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, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater Auto (Ambience priority/White priority), Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, Color Temperature
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative Multi-segment, Center-weighted, Spot Real-time metering with image sensor; 384 [24x16] zone Evaluative (AF point-linked), Center-weighted, Partial (center 6.1% of frame), Spot (center 2.7% of frame; AF point-linked spot metering not provided.)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) Custom shooting mode C1, C2, C3; Multiple-exposure; HDR
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 2, 10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: 42.4 megapixels No
Flash
Built-in Flash: No No
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off n/a
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/250 1/200s
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot Shoe, Sync Terminal Hot Shoe
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-II UHS-II
Other Memory: Slot1:SD UHS-II; 2:MS/SD UHS-I  
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14-bit ARW 2.3), RAW+JPEG RAW (14 bit), C-RAW; RAW+JPEG
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: Yes Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via RM-VPR1, USB or Wi-Fi Via Wi-Fi or Bluetooth or optional wired
Connections (extended): USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks Mini HDMI (Type C), USB-C SuperSpeed USB (USB 3.1 Gen 1), 3.5mm stereo microphone and headphone jacks, remote jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.31
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3 0.30
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.9 8.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 82 126
RAW shooting speed in burst mode (fps): 9.2 8.0
Buffer size for RAW shooting in burst mode (frames): 30 65
RAW+JPEG shooting speed in burst mode (fps): 9.1 8.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 30 51
Shutter lag (full AF, wide/mid): 0.25 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): 0.105 seconds 0.076 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.023 seconds 0.052 seconds
Shutter Lag (notes): Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s  
Startup Time: 1.7 seconds 2.1 seconds
Play -> Record Time: 1.4 seconds 0.9 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 650 shots 370 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 350 shots
Battery Life, Video: 100 minutes  
Battery Form Factor: Proprietary Proprietary LP-E6N/LP-E6
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable Lithium-ion Rechargeable or BG-E22 battery grip
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary LP-E6N Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: Yes Yes
Software
Included Software: Capture One Express (for Sony) free download  
OS Compatibility:    
Miscellaneous
Notes & Features: