• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Olympus OM-D E-M10 II
  • Sony Alpha ILCE-A7R IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Olympus E-M10
E-M10 vs E-M10 II
Sony A7R III
A7R III vs A7R IV
Successor: Olympus E-M10 III
E-M10 II vs E-M10 III
Sony A7R V
General
Model Number: E-M10 II A7R IV
Alternate Model Number(s):   ILCE-7RM4
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $799.99 $3500.00
Street Price: $349.00 $3,331.19
Date Available: 2015-09-07 2019-09-01
Tripod Mount: Yes Yes
Weight: 17.2 oz (488 g)
includes batteries, kit lens
23.5 oz (665 g)
includes batteries
Size: 4.7 x 3.3 x 1.8 in.
(120 x 83 x 47 mm)
5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 16.1 61.0
Sensor Format: 4/3 35mm
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 849.66mm2 (35.70mm x 23.80mm)
Approximate Pixel Pitch: 3.75 microns 3.76 microns
Focal Length Multiplier: 2.0x 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 73 99
DxO Color Depth Score (bits): 23.1 26.0
DxO Dynamic Range Score (evs): 12.5 14.8
DxO Maximum Effective ISO Score (iso): 842 3,344
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
1280 x 980 (1.3 MP, Other),
640 x 480 (0.3 MP, 4:3)
9504 x 6336 (60.2 MP, 3:2),
6240 x 4160 (26.0 MP, 3:2),
4752 x 3168 (15.1 MP, 3:2),
8448 x 6336 (53.5 MP, 4:3),
5552 x 4160 (23.1 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
9504 x 5344 (50.8 MP, 16:9),
6240 x 3512 (21.9 MP, 16:9),
4752 x 2672 (12.7 MP, 16:9),
6336 x 6336 (40.1 MP, 1:1),
4160 x 4160 (17.3 MP, 1:1),
3168 x 3168 (10.0 MP, 1:1)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW, RAW + JPEG JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 8.9 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p)
640x480 (120p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG) 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: Olympus M.Zuiko 14-42mm f/3.5-5.6 EZ ED n/a
Focal Length (35mm equivalent): 28 - 84mm  
Focal Length (actual): 14 - 42mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22; 5 diaphragm blades (circular)  
Integrated ND Filter: No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x Up to 4x; up to 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); Improved C-AF Fast Hybrid 4D AF: 567 points (PDAF), APS-C mode with full-frame lens: 325 points (PDAF), with APS-C lens: 247 points (PDAF) / 425 points (contrast-detection AF); Wide (567 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 OLED, 100% coverage, 1.23x magnification (0.62x 35mm eq.), 19.2mm eyepoint, -4 to +2 diopter, eye sensor EVF: 1.3 cm (0.5 type) 5.76M-dot UXGA 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 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent): 0.62x 0.78x
Viewfinder Magnification (nominal/claimed): 1.23x 0.78x
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 (345,600 px) 1,440,000 dots (360,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 14.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 32000
Minimum ISO (native): 200 100
ISO Settings: AUTO: ISO Low (100) - 25600 (customizable, Default 200-1600) / Manual ISO Low (100) - 25600, 1/3 or 1 EV steps selectable 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, 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 15-step Magenta/Green 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, Spot Standard/Large, Entire Screen Avg., Highlight
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; *1 8 images automatically shot and combined into a single image composite , *2 For 3D lens(H-FT012 by Panasonic) only, still photo only), Art Filter (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), Underwater wide / macro 3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2, 10 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No 240.8 megapixels
Flash
Built-in Flash: Yes 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); Supports Olympus RC wireless system Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 5.8 m / 19.0 ft. n/a
Flash Range Description: GN=5.8 (ISO100, m) / GN= 8.2 (ISO200, m) n/a
Max Flash Sync: 1/250s Built-in Flash, 1/200s External Flash*; *FL-50R: 1/180s 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Enhanced Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-II UHS-II
Other Memory:   Dual SD UHS-II slots
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
Movie File Format: MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG) 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: 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,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: Via Wi-Fi or optional Remote Cable RM-UC1 Optional via RM-VPR1, USB, Wi-Fi or Bluetooth
Connections (extended): Micro HDMI (Type-D), combined AV/USB/remote connector USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.46 <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): 0.49 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 8.9 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 28 70
RAW shooting speed in burst mode (fps): 8.9 7.2
Buffer size for RAW shooting in burst mode (frames): 18 32
RAW+JPEG shooting speed in burst mode (fps): 8.9 7.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 32
Shutter lag (full AF, wide/mid): 0.16 seconds 0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.082 seconds 0.124 seconds
Shutter lag (full AF, with flash): 0.38 seconds  
Shutter Lag (prefocused): 0.060 seconds 0.022 seconds
Shutter Lag (notes):    
Startup Time: 0.8 seconds 1.3 seconds
Play -> Record Time: 0.5 seconds 1.5 seconds
Flash cycle time, full power: 4.0 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 320 shots 670 shots
Battery Life, Still (CIPA Rating OVF/EVF): 320 shots 530 shots
Battery Life, Video:   105 minutes
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: BLS-50 Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BLS-50 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:    
Miscellaneous
Notes & Features: Available in black or silver. A limited edition brown version was announced 01/27/2016.