• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400
  • Detailed specifications
  • Olympus OM-D E-M5 II
  • Sony Alpha ILCE-A7S III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Olympus E-M5
E-M5 vs E-M5 II
 
Successor: Olympus E-M5 III
E-M5 II vs E-M5 III
Sony A7S II
A7S III vs A7S II
General
Model Number: E-M5 II A7S III
Alternate Model Number(s): E-M5 Mark II ILCE-7SM3
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $999.99 $3499.99
Street Price: $899.00 $3,348.00
Date Available: 2015-02-21 2020-09-01
Tripod Mount: Yes Yes
Weight: 16.5 oz (469 g)
includes batteries
21.7 oz (614 g)
includes batteries
Size: 4.9 x 3.3 x 1.8 in.
(124 x 85 x 45 mm)
5.1 x 3.8 x 2.7 in.
(129 x 97 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 16.1 12.1
Sensor Format: 4/3 35mm
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 3.75 microns 8.40 microns
Focal Length Multiplier: 2.0x 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 73  
DxO Color Depth Score (bits): 23.0  
DxO Dynamic Range Score (evs): 12.4  
DxO Maximum Effective ISO Score (iso): 908  
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
7296 x 5472 (39.9 MP, 4:3),
9216 x 6912 (63.7 MP, 4:3)
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG, MPO, 12-bit RAW, RAW + JPEG JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 10.4 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p)
1280x720 (10p)
4264x2408 (60p)
3840x2160 (120p/​60p/​50p/​30p/​25p/​24p)
1920x1080 (240p/​120p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG) XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
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: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: High-speed Contrast-detect AF: 81-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) Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (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; 2.36M-dot LCD, 1.30x - 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor EVF: 0.64" 9.44M-dot QXGA color OLED, 100% coverage, 0.90x magnification, -4.0 to +3.0 diopter, 25mm eyepoint from the eyepiece lens
Focus Peaking: Yes Yes
EVF Resolution: 2,360,000 dots 9,437,184 dots (3,145,728 pixels)
Viewfinder Magnification (35mm equivalent): 0.74x 0.90x
Viewfinder Magnification (nominal/claimed): 1.48x 0.90x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,037,000 dots (345,667 px) 1,440,000 dots (480,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
Max Playback Zoom: 14.0x 13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 102400
Minimum ISO (native): 200 80
ISO Settings: AUTO: ISO Low (100) - 25600 (customizable, Default 200-1600) / Manual ISO Low (100) - 25600, 1/3 or 1 EV steps selectable Auto, 80 - 102,400, expandable to 40 - 409,600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom WB, One-touch WB Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater
Shutter Speed Range: 1/16000 - 60 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control 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 select AE (Portrait, e-Portrait, Landscape, Landscape + Portrait, Sport, Hand-held Starlight*1, Night scene, Night + Portrait, Children, High Key, Low Key, DIS mode, Macro, Nature Macro, Candle, Sunset, Documents, Panorama, Fireworks, Beach & Snow, Fisheye Conv., Wide Conv., Macro Conv., Panning, 3D*2), Underwater wide / macro, HDR1, HDR2, Art Filters (14). *1 8 images automatically shot and combined into a single image composite *2 For 3D lens(H-FT012 by Panasonic) only, still photo only 3 Custom Settings; Creative Look; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2, 10, Custom seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: 64.0 megapixels No
Flash
Built-in Flash: No No
Flash Modes: 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) Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Flash Guide Number (ISO 100): 9.0 m / 29.5 ft. n/a
Flash Range Description: Bundled FL-LM3 flash has GN of 9m/ISO 100 n/a
Max Flash Sync: 1/250 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync Terminal Enhanced 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 / CFexpress
UHS Support: UHS-II UHS-I
Other Memory:   2x CFexpress Type A+SD UHS-II
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW, RAW + JPEG RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Movie File Format: MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG) XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,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: Optional Remote cable RM-UC1 or via Wi-Fi Yes, via USB or Wi-Fi
Connections (extended): Micro HDMI (Type-D), combined AV/USB connector, 3.5mm stereo mini jack USB-C (USB 3.2 Gen 1, 5Gbps), Multi-Terminal Micro USB (with remote support), Type-A HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.73  
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): 0.76  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 10.4  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 18  
RAW shooting speed in burst mode (fps): 10.4  
Buffer size for RAW shooting in burst mode (frames): 13  
RAW+JPEG shooting speed in burst mode (fps): 10.3  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13  
Shutter lag (full AF, wide/mid): 0.14 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.068 seconds  
Shutter lag (full AF, with flash): 0.34 seconds  
Shutter Lag (prefocused): 0.046 seconds  
Shutter Lag (notes):    
Startup Time: 0.8 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power: 4.5 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 310 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 310 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary BLN-1 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BLN-1 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: Olympus Viewer 3 CD-ROM Capture One Express (for Sony) free download
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: 16-megapixel Live MOS sensor; TruePic VII image processor; class-leading 5-axis sensor-shift image stabilization; 10fps burst mode; new High-Res Shot mode generates 40MP JPEGs and 64MP RAW files; improved 1080p60 video; 3-inch vari-angle touchscreen; built-in Wi-Fi; dust, splash and freezeproof construction. Available in black or silver.