• 4/3 224.9mm2
  • 12.3 megapixels
  •  
  • 4/3 224.9mm2
  • 20.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Olympus PEN E-PM1
  • YI M1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: E-PM1 M1
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $499.99 $349.99
Street Price:   $199.00
Date Available: 2011-09-15 2016-12-31
Tripod Mount: Yes Yes
Weight: 13.5 oz (382 g)
includes batteries, kit lens
9.9 oz (280 g)
includes batteries
Size: 4.3 x 2.5 x 1.3 in.
(110 x 64 x 34 mm)
4.5 x 2.5 x 1.3 in.
(114 x 64 x 34 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic Sony
Effective Megapixels: 12.3 20.2
Sensor Format: 4/3 4/3
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.29 microns 3.34 microns
Focal Length Multiplier: 2.0x 2.0x
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 52  
DxO Color Depth Score (bits): 21.0  
DxO Dynamic Range Score (evs): 10.3  
DxO Maximum Effective ISO Score (iso): 499  
Image Capture
Image Resolution: 4032 x 3024 (12.2 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (EXIF 2.2), MPO (3D), 12-bit RAW (.ORF) JPEG (EXIF 2.3), RAW (DNG)
Continuous-mode frames/second: 5.3 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i (20Mbps/​17Mbps))
1280x720 (60p (17Mbps/​13Mbps))
1280x720 (30p)
640x480 (30p)
3840x2160 (30p)
2048x1536 (30p)
1920x1080 (60p/​30p/​24p)
1280x720 (60p/​30p/​24p)
640x480 (240p)
Movie File Format: AVCHD, Motion JPEG Video: MPEG-4/H.264, Audio: AAC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds Micro Four Thirds
Lens: Olympus 14-42mm f/3.5-5.6 II R MSC M.Zuiko Digital Zoom Lens XIAOYI 12-40mm F3.5-5.6
Focal Length (35mm equivalent): 28 - 84mm 24 - 80mm
Focal Length (actual): 14 - 42mm 12 - 40mm
Zoom Ratio: 3.00x 3.33x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
35 cm to Infinity
13.8 in to Infinity
Macro Focus Range:    
Filter Thread: 37.0mm 49.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: 2x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: High-speed, 35-point with Face Detection and Tracking. Auto from all 35 area, Single area from 35 area, Group Target area (9 area) from 35 area, Up to 8 Faces Detected Contrast Detection: 81 points; AF: Single AF (S-AF), Continuous AF (C-AF), Touch Screen Focus & Shoot
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type: Optional EVF mounted in flash hotshoe  
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 14.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto (customizable range), 200 - 12800 (1/3, 1 EV steps) Auto, 100 - 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Underwater, Custom WB, One-touch WB Auto, Cloudy, Custom, Incandescent, Shade, Sunlight
Shutter Speed Range: 1/4000 - 60 sec 1/4000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 324-zone Digital ESP, Center Weighted Average, Spot (~1%, with Highlight/Shadow modes) Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, e-Portrait, Landscape, Landscape + Portrait, Macro, Sport, Night Scene, Night + Portrait, Children, High Key, Low Key, DIS mode, Nature Macro, Candle, Sunset, Document, Panorama, Fireworks, Beach & Snow, Fisheye Conv, Wide Conv, Macro Conv, 3D, Underwater wide, Underwater macro; Art Filters (Pop Art, Soft Focus, Grainy Film, Pin Hole, Diorama, Dramatic Tone) Panorama, Scene (Portrait, Landscape, Sport, Night Scene Portrait, Candle,Sunset, Fireworks, Beach & Snow), Super Professional guide, HDR
Self Timer: 2 or 12 seconds 2, 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: Auto, Red-eye reduction, Red-eye reduction slow sync., Slow sync at 1st curtain, Slow sync at 2nd curtain, Fill-in, Manual (Full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64), Off. Wireless flash control supported. Auto, On, Off
Flash Guide Number (ISO 100): 7.0 m / 23.0 ft. n/a
Flash Range Description: Bundled external flash has GN of 7m (ISO 100) or 10m (ISO 200) n/a
Max Flash Sync: 1/160 1/125
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot-Shoe Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.ORF) RAW (DNG)
Movie File Format: AVCHD, Motion JPEG Video: MPEG-4/H.264, Audio: AAC
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional RM-UC1 wired remote Via Wi-Fi
Connections (extended): Accessory Port 2, Multi Connector (USB/AV/Remote), Mini HDMI (Type C) Micro HDMI (Type-D), USB 2.0
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.59  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.57  
Buffer size for RAW shooting in single shot mode (frames): 15  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.3 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9  
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.25 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.112 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.075 seconds  
Shutter Lag (notes): Full Autofocus Lag, Multi-area AF mode = 0.289s  
Startup Time: 1.8 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power: 4.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 330 shots 380 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary BLS-1 or BLS-5 Proprietary
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: Proprietary BLS-1 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: OLYMPUS Viewer 2/[ib] CD-ROM  
OS Compatibility:    
Miscellaneous
Notes & Features: Sensor-shift Image Stabilization, TruePic VI Image Processor, "FAST" AF System, Full HD movies, 6 Art Filters, Bundled External Flash. Available in Purple, Silver, Pink, White, Black and Brown. Available in Ice Silver and Storm Black.