• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha ILCE-A7R III
  • Canon EOS Rebel SL3 (EOS 250D)
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7R II
A7R II vs A7R III
Canon SL2
SL2 vs SL3
Successor: Sony A7R IV
A7R III vs A7R IV
 
General
Model Number: A7R III SL3
Alternate Model Number(s): ILCE-7RM3 250D
Camera Format: Compact System Camera SLR
Currently Manufactured: Yes Yes
Retail Price: $3200.00 $749.95
Street Price: $2,203.72 $632.33
Date Available: 2017-11-30 2019-04-30
Tripod Mount: Yes Yes
Weight: 23.2 oz (657 g)
includes batteries
23.4 oz (664 g)
includes batteries, kit lens
Size: 5.0 x 3.8 x 2.9 in.
(127 x 96 x 74 mm)
4.8 x 3.6 x 2.7 in.
(122 x 93 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 42.4 24.2
Sensor Format: 35mm APS-C
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 4.51 microns 3.72 microns
Focal Length Multiplier: 1.0x 1.6x
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  
DxO Color Depth Score (bits): 26.0  
DxO Dynamic Range Score (evs): 14.7  
DxO Maximum Effective ISO Score (iso): 3,523  
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)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1680 (5.0 MP, Other),
2400 x 1344 (3.2 MP, Other),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 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 2.31), .CR3 RAW (14-bit), C-RAW, RAW+JPEG
Continuous-mode frames/second: 9.9 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
3840x2160 (24p/​25p)
1920x1080 (60p/​50p/​30p/​25p)
1280x720 (60p/​50p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MPEG-4 AVC/H.264 video with AAC audio in MP4 container
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 EF/EF-S
Lens: n/a Canon EF-S 18-55mm f/4-5.6 IS STM
Focal Length (35mm equivalent):   29 - 88mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.06x
Aperture Range:   f/4 - 22 (wide) / f/5.6 - 38 (tele)
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom n/a
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 OVF: AF-dedicated CMOS phase-detect sensor, 9-points (Center AF point is cross-type at f/5.6, Center AF point is vertical line-sensitive at f/2.8); Live View: Dual-Pixel CMOS AF
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / 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 SLR type; fixed eye-level pentamirror, ~95% coverage, ~0.87x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: 3,686,400 dots (1,228,800 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.54x
Viewfinder Magnification (nominal/claimed): 0.78x 0.87x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,440,000 dots (360,000 px) 1,040,000 dots (345,600 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:   10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 32000 25600
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 - 25600 in 1EV steps, Expandable to 51200
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, White Fluorescent, Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative Multi-segment, Center-weighted, Spot 63-zone: Evaluative (linked to all AF points), Center-weighted, Partial (center, 9%), Spot (center, 4%)
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) Scene Intelligent Auto, Creative Assist, Special Scene (Portrait, Smooth Skin, Group Photo, Landscape, Sports, Kids, Close-up, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water Painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed))
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 10s, 2s, 2-10 shots after 10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: 42.4 megapixels No
Flash
Built-in Flash: No Yes
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off E-TTL II Auto, Manual
Flash Guide Number (ISO 100): n/a 9.8 m / 32.2 ft.
Flash Range Description: n/a Guide Number is 9.8m/32.2 ft at ISO 100; Range is lens aperture dependent
Max Flash Sync: 1/250 1/200
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot Shoe, Sync Terminal Hot Shoe (EL/EX-series Speedlites only)
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-I
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 .CR3 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 MPEG-4 AVC/H.264 video with AAC audio in MP4 container
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 No
External Connections: USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi USB 2.0 High 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 Optional wired, Bluetooth or Wi-Fi
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 (Type-C) HDMI-CEC, 3.5mm Stereo Mic Jack, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.40
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 0.40
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.9 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 82 Unlimited
RAW shooting speed in burst mode (fps): 9.2 5.0
Buffer size for RAW shooting in burst mode (frames): 30 15
RAW+JPEG shooting speed in burst mode (fps): 9.1 5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 30 11
Shutter lag (full AF, wide/mid): 0.25 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.086 seconds
Shutter Lag (manual focus): 0.105 seconds 0.088 seconds
Shutter lag (full AF, with flash):   0.35 seconds
Shutter Lag (prefocused): 0.023 seconds 0.072 seconds
Shutter Lag (notes): Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s  
Startup Time: 1.7 seconds 0.5 seconds
Play -> Record Time: 1.4 seconds 0.3 seconds
Flash cycle time, full power:   3.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 650 shots 320 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 1070 shots
Battery Life, Video: 100 minutes  
Battery Form Factor: Proprietary Proprietary LP-E17
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable Lithium-ion rechargeble
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary LP-E17 Lithium-ion rechargeble
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: Yes No
Software
Included Software: Capture One Express (for Sony) free download  
OS Compatibility:    
Miscellaneous
Notes & Features: Available in black or white.