• 1/2.35 inch 27.3mm2
  • 8.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 20.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Olympus Stylus 840
  • YI M1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: 840 M1
Alternate Model Number(s):    
Camera Format: Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $249.99 $349.99
Street Price: $173.11 $199.00
Date Available: 2008-01-31 2016-12-31
Tripod Mount: No Yes
Weight: 4.6 oz (130 g) 9.9 oz (280 g)
includes batteries
Size: 3.8 x 2.2 x 0.9 in.
(96 x 57 x 24 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: CCD CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 8.0 20.2
Sensor Format: 1/2.35 inch 4/3
Sensor size: 27.2556mm2 (6.03mm x 4.52mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 1.86 microns 3.34 microns
Focal Length Multiplier: n/a 2.0x
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type:   RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 3248 x 2436 (7.9 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2304 x 1728 (4.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG JPEG (EXIF 2.3), RAW (DNG)
Continuous-mode frames/second: 1.0 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
3840x2160 (30p)
2048x1536 (30p)
1920x1080 (60p/​30p/​24p)
1280x720 (60p/​30p/​24p)
640x480 (240p)
Movie File Format: AVI 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
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Micro Four Thirds
Lens: Olympus lens XIAOYI 12-40mm F3.5-5.6
Focal Length (35mm equivalent): 36 - 180mm 24 - 80mm
Focal Length (actual): 6.4 - 32mm 12 - 40mm
Zoom Ratio: 5.00x 3.33x
Aperture Range: f/3.3 (wide) / f/5.0 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 70 cm to Infinity
27.6 in to Infinity
35 cm to Infinity
13.8 in to Infinity
Macro Focus Range: 3 - 70 cm
1.2 - 27.6 in
 
Filter Thread: n/a 49.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: 5.6x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: CCD contrast detection Contrast Detection: 81 points; AF: Single AF (S-AF), Continuous AF (C-AF), Touch Screen Focus & Shoot
Auto Focus Assist Light? No Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
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): 2.7 3.0
Rear Display Resolution: 230,000 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: 10.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto, 64, 100, 200, 400, 800, 1600 Auto, 100 - 25600
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Overcast, Tungsten, Fluorescent 1, Fluorescent 2, Fluorescent 3 Auto, Cloudy, Custom, Incandescent, Shade, Sunlight
Shutter Speed Range: 1/2000 - 4 sec 1/4000 - 60 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Digital ESP, Spot, Face detection AE w/ face-detection AF Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Portrait, Landscape, Landscape+Portrait, Night, Night+Portrait, Sport, Indoor, Candle, Self Portrait, Available Light Portrait, Sunset, Fireworks, Cuisine, Behind Glass, Documents, Auction, Shoot & Select 1 / 2, Beach&Snow, Pre-capture Movie Panorama, Scene (Portrait, Landscape, Sport, Night Scene Portrait, Candle,Sunset, Fireworks, Beach & Snow), Super Professional guide, HDR
Self Timer: 12 seconds seconds 2, 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Red-Eye Reduction, Fill-In, Off Auto, On, Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 0.66 - 14.4ft. (0.2 - 4.4m); Tele: 1.2 – 10.2ft. (0.6 - 3.1m) at ISO 800 n/a
Max Flash Sync:   1/125
Flash Exposure Compensation:    
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: xD SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (DNG)
Movie File Format: AVI Motion JPEG Video: MPEG-4/H.264, Audio: AAC
Included Memory: 14.8 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No 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: No No
DPOF Compliant: No Yes
Remote Control: No Yes
Remote Control Type:   Via Wi-Fi
Connections (extended):   Micro HDMI (Type-D), USB 2.0
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
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):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution): 1.0 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 6  
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   380 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary LI-50B Proprietary
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LI-50B 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:    
OS Compatibility:    
Miscellaneous
Notes & Features: Available in Ice Silver and Storm Black.