• 1/1.7 inch 43.3mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Canon PowerShot G15
  • Sony Alpha ILCE-A7R III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon G12
G12 vs G15
Sony A7R II
A7R II vs A7R III
Successor: Canon G16
G15 vs G16
Sony A7R IV
A7R III vs A7R IV
General
Model Number: G15 A7R III
Alternate Model Number(s):   ILCE-7RM3
Camera Format: Mid-Sized Compact System Camera
Currently Manufactured: No Yes
Retail Price: $499.99 $3200.00
Street Price: $649.95 $2,151.48
Date Available: 2012-10-15 2017-11-30
Tripod Mount: Yes Yes
Weight: 12.3 oz (350 g)
includes batteries
23.2 oz (657 g)
includes batteries
Size: 4.2 x 3.0 x 1.6 in.
(107 x 76 x 40 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:   Sony
Effective Megapixels: 12.1 42.4
Sensor Format: 1/1.7 inch 35mm
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 1.90 microns 4.51 microns
Focal Length Multiplier: n/a 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 46 100
DxO Color Depth Score (bits): 19.9 26.0
DxO Dynamic Range Score (evs): 11.5 14.7
DxO Maximum Effective ISO Score (iso): 165 3,523
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2664 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
2816 x 2112 (5.9 MP, 4:3),
2816 x 1880 (5.3 MP, 3:2),
2816 x 1584 (4.5 MP, 16:9),
2112 x 2112 (4.5 MP, 1:1),
1600 x 1200 (1.9 MP, 4:3),
1600 x 1064 (1.7 MP, 3:2),
1200 x 1200 (1.4 MP, 1:1),
640 x 480 (0.3 MP, 4:3),
640 x 424 (0.3 MP, Other),
640 x 360 (0.2 MP, 16:9)
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 2.2), 12-bit RAW (.CR2), RAW+JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 10.2 9.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24)
1280x720 (30)
640x480 (30)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: MOV (Image: H.264, Audio: Stereo PCM) 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: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Sony E
Lens: Canon Zoom Lens n/a
Focal Length (35mm equivalent): 28 - 140mm  
Focal Length (actual): 6.1 - 30.5mm  
Zoom Ratio: 5.00x  
Aperture Range: f/1.8 (W) / f/2.8 (T) - f/8.0  
Integrated ND Filter: Yes No
Normal Focus Range: 5 cm to Infinity
2.0 in to Infinity
 
Macro Focus Range: 1 - 50 cm
0.4 - 19.7 in
 
Filter Thread: 58.0mm n/a
Thread Type: Via optional lens adapter n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect AF with Face Detection; 9-point AiAF, 1-point (center for face select and track) 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: Optical / LCD EVF / LCD
Viewfinder Type: Real-image optical zoom; Picture coverage: approx. 80%; Eyepoint: 15mm; Dioptic Adjustment Range: -3.0 - +1.0m 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: n/a 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: 922,000 dots (307,200 px) 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 32000
Minimum ISO (native): 80 100
ISO Settings: Auto, ISO 80 to 12800 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, Tungsten, Fluorescent, Fluorescent H, Flash, Custom 1/2, Underwater 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 - 15 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Evaluative, Center-weighted average, Spot; Face Detect AE 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: Scene modes (Portrait, Smooth Skin, Smart Shutter, High-Speed Burst HQ, Handheld NightScene, Underwater, Snow, Fireworks, Stitch Assist), Creative Filters (High Dynamic Range, Nostalgic, Fish-eye Effect, Miniature Effect, Toy Camera Effect, Soft Focus, Monochrome, Super Vivid, Poster Effect, Color Accent, Color Swap) 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 1 - 30 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 w/Red-eye Reduction, Flash On, Flash On w/Red-eye Reduction, Flash Off; FE lock, Safety FE, Slow Synchro, Second-curtain synchro 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: Auto ISO: 1.6 ft.-23 ft./50 cm-7 m (W), 1.6-15 ft./50cm-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
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: 12-bit RAW (.CR2), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MOV (Image: H.264, Audio: Stereo PCM) 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: Wired Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Combined USB/AV, Mini (Type-C) HDMI, Remote Terminal 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): 2.07 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 2.83  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 2.91 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 10.2 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 82
RAW shooting speed in burst mode (fps): 1.2 9.2
Buffer size for RAW shooting in burst mode (frames): 20 30
RAW+JPEG shooting speed in burst mode (fps): 1.0 9.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 5 30
Shutter lag (full AF, wide/mid): 0.46 seconds 0.25 seconds
Shutter lag (full AF, tele): 0.46 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.454 seconds 0.105 seconds
Shutter lag (full AF, with flash): 0.71 seconds  
Shutter Lag (prefocused): 0.073 seconds 0.023 seconds
Shutter Lag (notes):   Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s
Startup Time: 2.2 seconds 1.7 seconds
Play -> Record Time: 1.7 seconds 1.4 seconds
Flash cycle time, full power: 3.0 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 350 shots 650 shots
Battery Life, Still (CIPA Rating OVF/EVF): 770 shots 530 shots
Battery Life, Video:   100 minutes
Battery Form Factor: Proprietary NB-10L Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NB-10L 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: No Yes
Software
Included Software: Digital Camera Solution CD-ROM Capture One Express (for Sony) free download
OS Compatibility: Windows XP SP3/Vista/7, Mac OS  
Miscellaneous
Notes & Features: Fast f/1.8(W)-f/2.8(T) lens, DIGIC 5 processor, Intelligent Image Stabilization, improved AF performance, 10 fps High-Speed Burst mode, Full HD 1080p24 video, 58 scene Smart Auto, supports conversion lenses.