• APS-C 332.3mm2
  • 24.2 megapixels
  • 24.00mm - 72.00mm (35mm eq.)
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Canon PowerShot G1 X Mark III
  • Sony Alpha ILCE-A7R III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon G1X Mark II
G1X Mark II vs G1X Mark III
Sony A7R II
A7R II vs A7R III
Successor:   Sony A7R IV
A7R III vs A7R IV
General
Model Number: G1X Mark III A7R III
Alternate Model Number(s): G1X III ILCE-7RM3
Camera Format: Compact Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1299.00 $3200.00
Street Price: $999.00 $2,218.26
Date Available: 2017-11-30 2017-11-30
Tripod Mount: Yes Yes
Weight: 14.1 oz (399 g)
includes batteries
23.2 oz (657 g)
includes batteries
Size: 4.5 x 3.1 x 2.0 in.
(115 x 78 x 51 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: 24.2 42.4
Sensor Format: APS-C 35mm
Sensor size: 332.27mm2 (22.30mm x 14.90mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 3.72 microns 4.51 microns
Focal Length Multiplier: 1.6x 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: 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: 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 1824 (5.4 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),
24064 x 2800 (67.4 MP, Other),
6000 x 2800 (16.8 MP, Other),
16000 x 4200 (67.2 MP, Other),
4200 x 4000 (16.8 MP, Other)
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 2.3), .CR2 14-bit RAW, RAW+JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 9.3 9.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (30p/​25p)
640x480 (30p/​25p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: MP4 (Video: MPEG-4 AVC / H.264; Audio: MPEG-4 AAC-LC (stereo)) XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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: n/a Sony E
Lens: Canon Zoom Lens; 9 elements in 8 groups with 3 double-sided aspherical elements and 1 single-sided aspherical element n/a
Focal Length (35mm equivalent): 24 - 72mm  
Focal Length (actual): 15 - 45mm  
Zoom Ratio: 3.00x  
Aperture Range: f/2.8 (W) / f/5.6 (T) - f/16 with 9-blade Circular Diaphragm; ND Filter (3-stop): On / Auto / Off  
Integrated ND Filter: Yes No
Normal Focus Range: 10 cm to Infinity
3.9 in to Infinity
 
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in
 
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: 4x (with Digital Tele-Converter Approx. 1.6x or 2.0x), ZoomPlus 6x (total) Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid PDAF/CDAF: Dual Pixel CMOS AF; Maximum 49 AF points (Fixed location on 7x7 grid) via camera automatic selection; Freely position 1 AF point / 1 AF Zone (9 points, 3x3 grid) via manual selection; Touch AF 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: 0.39"-type 2.36m-dot OLED EVF, 100% coverage, 22mm eyepoint, -3 to +1 diopter correction, 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: Yes Yes
EVF Resolution: 2,360,000 dots (786,666 pixels) 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent):   0.78x
Viewfinder Magnification (nominal/claimed):   0.78x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,040,000 dots 1,440,000 dots (360,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 10.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 32000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 25600 in 1/3 or 1EV steps 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, Underwater, Color Temperature, Custom 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: 1/2000 - 30 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: Evaluative, 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: Smart Auto (58 scenes detected), Hybrid Auto, Custom 1, Custom 2, SCN (Self-Portrait, Portrait, Smooth Skin, Panoramic Shot, Panning, Star (Star Nightscape, Star Trails, Star Time-Lapse Movie), Handheld Night Scene, Grainy B/W, Soft Focus, Art Bold effect, Water painting effect, Toy camera effect, Miniature effect, HDR, Underwater, Fireworks), Movie (Standard, Short Clip, Manual, Time-lapse Movie) 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 10, 2 or custom 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, Manual Flash On / Off, Slow Synchro; FE Lock, Red-eye Reduction, Second Curtain Synchro; E-TTL with EX series Speedlites 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: 1.6 ft. (50cm) - 29.5 ft. (9.0m) (W), 1.6 ft. (50cm) - 14.8 ft. (4.5m) (T) n/a
Max Flash Sync: 1/2000 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 No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: UHS-I 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: .CR2 14-bit RAW, RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MP4 (Video: MPEG-4 AVC / H.264; Audio: MPEG-4 AAC-LC (stereo)) 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: Yes Yes
NFC: Yes Yes
Bluetooth: Yes Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,Bluetooth,WiFi 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: Wi-Fi/Bluetooth or optional wired Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Micro-B USB, Micro (Type-D) HDMI, Wired Remote Switch 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): 0.43 <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): 0.41 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.3 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 23 82
RAW shooting speed in burst mode (fps): 9.4 9.2
Buffer size for RAW shooting in burst mode (frames): 16 30
RAW+JPEG shooting speed in burst mode (fps): 9.4 9.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 16 30
Shutter lag (full AF, wide/mid): 0.12 seconds 0.25 seconds
Shutter lag (full AF, tele): 0.12 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.100 seconds 0.105 seconds
Shutter lag (full AF, with flash): 0.40 seconds  
Shutter Lag (prefocused): 0.033 seconds 0.023 seconds
Shutter Lag (notes):   Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s
Startup Time: 2.1 seconds 1.7 seconds
Play -> Record Time: 1.4 seconds 1.4 seconds
Flash cycle time, full power: 3.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 650 shots
Battery Life, Still (CIPA Rating OVF/EVF): 200 shots 530 shots
Battery Life, Video: 85 minutes 100 minutes
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NB-13L Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NB-13L 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: Yes Yes
Software
Included Software: No disc is included; Canon software can be downloaded from their website. Capture One Express (for Sony) free download
OS Compatibility:    
Miscellaneous
Notes & Features: