• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Sony Alpha ILCE-A7 III
  • Olympus OM-D E-M10 IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7 II
A7 II vs A7 III
 
Successor: Sony A7 IV
A7 III vs A7 IV
 
General
Model Number: A7 III E-M10 IV
Alternate Model Number(s): ILCE-7M3  
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1999.99 $699.99
Street Price: $1,531.33 $629.66
Date Available: 2018-04-10 2020-09-25
Tripod Mount: Yes Yes
Weight: 33.3 oz (945 g)
includes batteries, kit lens
13.5 oz (383 g)
includes batteries
Size: 5.0 x 3.8 x 2.9 in.
(127 x 96 x 74 mm)
4.8 x 3.3 x 1.9 in.
(122 x 84 x 49 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.2 20.3
Sensor Format: 35mm 4/3
Sensor size: 847.28mm2 (35.60mm x 23.80mm) 226.2mm2 (17.40mm x 13.00mm)
Approximate Pixel Pitch: 5.93 microns 3.36 microns
Focal Length Multiplier: 1.0x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 96  
DxO Color Depth Score (bits): 25.0  
DxO Dynamic Range Score (evs): 14.7  
DxO Maximum Effective ISO Score (iso): 3,730  
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
1968 x 1312 (2.6 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2216 (8.7 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
3936 x 2216 (8.7 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
1968 x 1112 (2.2 MP, Other)
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),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPEG, RAW (14-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), 12-bit lossless compressed RAW, RAW + JPEG
Continuous-mode frames/second: 9.9 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
4096x2160 (24p)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1280x720 (120p)
3840x2160 (5p)
1920x1080 (15p/​10p/​5p)
1280x720 (30p/​15p/​10p/​5p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (MPEG-4 AVC/H.264 with stereo sound)
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: Sony FE 28-70mm f/3.5-5.6 OSS SEL2870 Olympus M.Zuiko 14-42mm f/3.5-5.6 EZ ED
Focal Length (35mm equivalent): 28 - 70mm 28 - 84mm
Focal Length (actual): 28 - 70mm 14 - 42mm
Zoom Ratio: 2.50x 3.00x
Aperture Range: f/3.5-22 (W) / f/5.6-36 (T) f/3.5 (wide) / f/5.6 (tele) - f/22; 5 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 37.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Fast Hybrid AF (Phase-detect + Contrast-detect AF): 693 phase-detection AF points covering 93% of image area, 425 contrast AF points; Wide (693 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) High-speed Contrast-detect AF: 121-area multiple AF / All target, Group target area (9-area), Single target (Normal/Small) / Eye Detection (Nearer, Left, Right) / Magnified (up to 14x, over 800 AF points)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / LCD
Viewfinder Type: EVF: 0.5-inch (1.30cm), 2359K-dot XGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter EVF; 2.36M-dot OLED, 100% coverage, 1.23x magnification (0.62x 35mm eq.), 19.2mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 2,359,296 dots (786,432 pixels) 2,360,000 dots
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: 921,600 dots (307,200 px) 1,037,000 dots (345,600 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 18.8x 14.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 25600
Minimum ISO (native): 100 200
ISO Settings: Auto (ISO 100-12800, selectable lower limit and upper limit), 100 - 51200, expandable to 50 - 204800 AUTO: ISO Low (100) - 6400) / Manual ISO Low (100) - 25600, 1/3 or 1 EV steps selectable
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, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom (Kevin setting), One-touch WB (4)
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, Spot Standard/Large, Entire Screen Avg., Highlight Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene Modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Night Portrait; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) Scene (Portrait, e-Portrait, Landscape + Portrait, Night + Portrait, Children, Night scene, Sport, Hand-held Starlight, Fireworks, Light trails, Sports, Panning, Landscape, Sunset, Beach & Snow, Backlight HDR, Candlelight, Silent, Macro, Nature Macro, Documents, Multi Focus Shot), Advanced Photo (Live Composite, Live Bulb, Multiple Exposure, HDR Backlight, Silent, Panorama, Keystone Compensation, AE Bracketing, Focus Bracketing), Art Filter (Bleach Bypass I/II, Pop Art, Soft Focus, Pale & Light Color, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone, Key Line, Watercolor, Vintage, Partial Color, Instant Film)
Self Timer: 2 or 10; 3/5 shots after 10 seconds 2, 12, custom seconds
Time Lapse (intervalometer):    
High Resolution Composite: No 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 Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual (1/1 (FULL) - 1/64)
Flash Guide Number (ISO 100): n/a 5.8 m / 19.0 ft.
Flash Range Description: n/a GN=5.1 (ISO100, m) / GN= 7.2 (ISO200, m)
Max Flash Sync: 1/250 1/250s Built-in Flash
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot shoe 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-II
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 12-bit lossless compressed RAW, RAW + JPEG
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (MPEG-4 AVC/H.264 with stereo sound)
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 No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via RM-VPR1, USB or Wi-Fi Via 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 Micro-B USB 2.0, Micro HDMI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.57  
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): 0.57  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 9.9  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 163  
RAW shooting speed in burst mode (fps): 9.7  
Buffer size for RAW shooting in burst mode (frames): 33  
RAW+JPEG shooting speed in burst mode (fps): 9.7  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 30  
Shutter lag (full AF, wide/mid): 0.20 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.125 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.023 seconds  
Shutter Lag (notes):    
Startup Time: 1.7 seconds  
Play -> Record Time: 0.9 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 710 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 610 shots  
Battery Life, Video: 115 minutes 80 minutes
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable BLS-50 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary BLS-50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No Yes
Internal Charging Supported: Yes No
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: