• 4/3 224.9mm2
  • 12.1 megapixels
  •  
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Panasonic Lumix DMC-G2
  • Sony Alpha ILCE-A7R III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Panasonic G1
G1 vs G2
Sony A7R II
A7R II vs A7R III
Successor: Panasonic G3
G2 vs G3
Sony A7R IV
A7R III vs A7R IV
General
Model Number: G2 A7R III
Alternate Model Number(s):   ILCE-7RM3
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $799.95 $3200.00
Street Price:   $2,498.00
Date Available: 2010-05-30 2017-11-30
Tripod Mount: Yes Yes
Weight: 21.8 oz (618 g)
includes batteries, kit lens
23.2 oz (657 g)
includes batteries
Size: 4.9 x 3.3 x 2.9 in.
(124 x 84 x 74 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: Live MOS CMOS
Sensor Manufacturer: Panasonic Sony
Effective Megapixels: 12.1 42.4
Sensor Format: 4/3 35mm
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 4.33 microns 4.51 microns
Focal Length Multiplier: 2.0x 1.0x
Aspect Ratio: 4:3, 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: 53 100
DxO Color Depth Score (bits): 21.2 26.0
DxO Dynamic Range Score (evs): 10.3 14.7
DxO Maximum Effective ISO Score (iso): 493 3,523
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2816 x 2112 (5.9 MP, 4:3),
2816 x 1880 (5.3 MP, 3:2),
2816 x 1584 (4.5 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
2112 x 2112 (4.5 MP, 1:1),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1360 (2.8 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1504 x 1504 (2.3 MP, 1:1)
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 v2.21), RAW, RAW + JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 3.3 9.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (60/​50/​30)
848x480 (30)
640x480 (30)
320x240 (30)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: AVCHD Lite (H.264), MotionJPEG 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: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds Sony E
Lens: Panasonic 14-42mm f/3.5-5.6 ASPH Lumix G VARIO MEGA O.I.S n/a
Focal Length (35mm equivalent): 28 - 84mm  
Focal Length (actual): 14 - 42mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 - 22 (wide) / f.5.6 - 22 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x or 4x Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Face Detect, AF Tracking, 23-area, 1 area, Touch AF (4 modes) 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? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / LCD
Viewfinder Type: EVF; 1,440K dots eq., 1.4x mag., 17.5mm eyepoint, -4 to +4 diopter, eye sensor 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:   3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.70x 0.78x
Viewfinder Magnification (nominal/claimed): 1.40x 0.78x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 16.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native):   32000
Minimum ISO (native):   100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, Intelligent ISO 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, Cloudy, Shade, Halogen, Flash, White Set 1, White Set 2, Color Temperature Setting (2,500-10,000K in 100K steps) 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: 1/4000 - 60 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 144-zone Intelligent Multiple, Center-weighted, Spot 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: Portrait (Normal/Soft Skin/Outdoor/Indoor/Creative), Scenery (Normal/Nature/Architecture/Creative), Sports (Normal/Outdoor/Indoor/Creative), Close-up (Flower/Food/Objects/Creative), Night Portrait (Night Portrait/Night Scenery/Illuminations/Creative), SCN (Sunset/Party/Baby 1,2/Pet/Periph. Defocus) 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2, 10, 10 (3 images) 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: Yes No
Flash Modes: Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-II
Other Memory:   Slot1:SD UHS-II; 2:MS/SD UHS-I
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, RAW + JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: AVCHD Lite (H.264), MotionJPEG 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: No Yes
Headphone Jack: No 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 DMW-RSL1 cable remote Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): 2.5mm stereo mic/remote socket, combined AV/USB connector, mini HDMI (Type-C) 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): 0.70 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.78  
Buffer size for RAW shooting in single shot mode (frames): 5  
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): 3.3 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 82
RAW shooting speed in burst mode (fps):   9.2
Buffer size for RAW shooting in burst mode (frames):   30
RAW+JPEG shooting speed in burst mode (fps):   9.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   30
Shutter lag (full AF, wide/mid): 0.42 seconds 0.25 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.135 seconds 0.105 seconds
Shutter lag (full AF, with flash): 0.68 seconds  
Shutter Lag (prefocused): 0.120 seconds 0.023 seconds
Shutter Lag (notes):   Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s
Startup Time: 1.0 seconds 1.7 seconds
Play -> Record Time: 0.7 seconds 1.4 seconds
Flash cycle time, full power: 4.0 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 360 shots 650 shots
Battery Life, Still (CIPA Rating OVF/EVF):   530 shots
Battery Life, Video:   100 minutes
Battery Form Factor: Proprietary H-FS014042 7.2v 1250mAh Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 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
Internal Charging Supported: Yes
Software
Included Software: PHOTOfunSTUDIO 5.0 HD Edition, SILKYPIX Developer Studio 3.1 SE, QuickTime, USB Driver Capture One Express (for Sony) free download
OS Compatibility:    
Miscellaneous
Notes & Features: 720p HD Movies (AVCHD Lite or Motion JPEG), Touch-screen Articulating LCD, 2.5mm Stereo Mic/Remote Socket, Mini HDMI Type-C Connector. Available in black, red or blue.