• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Sony Alpha ILCE-A7R III
  • Panasonic Lumix DC-GX9
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7R II
A7R II vs A7R III
Panasonic GX8
GX8 vs GX9
Successor:    
General
Model Number: A7R III GX9
Alternate Model Number(s): ILCE-7RM3 GX7 Mark III
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $3200.00 $999.99
Street Price: $2,798.00 $797.99
Date Available: 2017-11-30 2018-03-15
Tripod Mount: Yes Yes
Weight: 23.2 oz (657 g)
includes batteries
23.3 oz (660 g)
includes batteries, kit lens
Size: 5.0 x 3.8 x 2.9 in.
(127 x 96 x 74 mm)
4.9 x 2.8 x 1.8 in.
(124 x 72 x 47 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Sony  
Effective Megapixels: 42.4 20.3
Sensor Format: 35mm 4/3
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.51 microns 3.34 microns
Focal Length Multiplier: 1.0x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: Yes No
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)
5184 x 3888 (20.2 MP, 4:3),
3712 x 2784 (10.3 MP, 4:3),
2624 x 1968 (5.2 MP, 4:3),
1824 x 1368 (2.5 MP, 4:3),
5184 x 3456 (17.9 MP, 3:2),
3712 x 2480 (9.2 MP, 3:2),
2624 x 1752 (4.6 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2),
5184 x 2920 (15.1 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
1824 x 1024 (1.9 MP, 16:9),
3888 x 3888 (15.1 MP, 1:1),
2784 x 2784 (7.8 MP, 1:1),
1968 x 1968 (3.9 MP, 1:1),
1712 x 1712 (2.9 MP, 1:1)
Image File Format: JPEG, RAW (14-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.31), RAW, RAW + JPEG
Continuous-mode frames/second: 9.9 9.2
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/24p)
1920x1080 (60p/60i/30p/24p)
1280x720 (30p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
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 Micro Four Thirds
Lens: n/a Panasonic Lumix G Vario 12-60mm F3.5 - 5.6 Asph. Power OIS (H-FS12060)
Focal Length (35mm equivalent):   24 - 120mm
Focal Length (actual):   12 - 60mm
Zoom Ratio:   5.00x
Aperture Range:   f/3.5 (W) / f/5.6 (T) - f/22
Integrated ND Filter: No No
Normal Focus Range:   20 cm to Infinity
7.9 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 Yes
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom 2x, 4x
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 Contrast Detection with DFD: Face/Eye detection, Tracking, 49-area, Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter
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 Tilting 2760k-dot equivalent (field sequential) LCD, 1.39x / 0.70x (35mm eq.) magnification, 17.5mm eyepoint, -4 to +3 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 3,686,400 dots (1,228,800 pixels) 920,000 dots
Viewfinder Magnification (35mm equivalent): 0.78x 0.70x
Viewfinder Magnification (nominal/claimed): 0.78x 1.39x
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) 1,240,000 dots (413,300 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 32000 25600
Minimum ISO (native): 100 200
ISO Settings: AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps
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, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 60 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 1728-zone Intelligent Multiple, Center-weighted, Spot
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) Sweep Panorama (Standard/Wide); Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, L. Monochrome D, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer): No Yes
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 Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync.
Flash Guide Number (ISO 100): n/a 4.2 m / 13.8 ft.
Flash Range Description: n/a GN=6.0m (ISO 200)
Max Flash Sync: 1/250 1/200
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-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 RAW, RAW + JPEG
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
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 No
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 Wi-Fi and Bluetooth
Connections (extended): USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks Micro HDMI (Type-D), Micro-B USB 2.0 port
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):    
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 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.9 9.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 82 140
RAW shooting speed in burst mode (fps): 9.2 9.1
Buffer size for RAW shooting in burst mode (frames): 30 32
RAW+JPEG shooting speed in burst mode (fps): 9.1 9.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 30 29
Shutter lag (full AF, wide/mid): 0.25 seconds 0.15 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 0.060 seconds
Shutter lag (full AF, with flash):   0.36 seconds
Shutter Lag (prefocused): 0.023 seconds 0.050 seconds
Shutter Lag (notes): Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s  
Startup Time: 1.7 seconds 1.0 seconds
Play -> Record Time: 1.4 seconds 0.5 seconds
Flash cycle time, full power: 0.0 seconds 1.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 650 shots 260 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 250 shots
Battery Life, Video: 100 minutes 70 minutes
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable 7.2v, 1200mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
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 silver.