• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 600.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Olympus SZ-31MR
  • Ricoh WG-20
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Ricoh WG-30
WG-20 vs WG-30
General
Model Number: SZ-31MR WG-20
Alternate Model Number(s):    
Camera Format: Mid-Sized Compact
Currently Manufactured: No No
Retail Price: $399.99 $199.95
Street Price:    
Date Available: 2012-04-30 2014-03-15
Tripod Mount: Yes Yes
Weight: 8.0 oz (226 g)
includes batteries
5.8 oz (164 g)
includes batteries
Size: 4.2 x 2.7 x 1.6 in.
(106 x 69 x 40 mm)
4.5 x 2.3 x 1.1 in.
(114 x 59 x 28 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer:    
Effective Megapixels: 16.0 14.0
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.34 microns 1.44 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG 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: 4608 x 3456 (15.9 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4288 x 3216 (13.8 MP, 4:3),
3216 x 3216 (10.3 MP, 1:1),
4224 x 2376 (10.0 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, .MPO JPEG (EXIF 2.3)
Continuous-mode frames/second: 7.0 0.7
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p/​60p)
640x360 (30p)
320x180 (30p)
640x480 (30p/​120p)
320x240 (30p/​240p)
1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p)
Movie File Format: MOV/H.264 with stereo sound AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Olympus lens; 11 Lenses in 10 Groups, 3/6 Aspherical Ricoh zoom lens; 11 elements in 9 groups, 5 aspherical elements, protective cover with SP coating
Focal Length (35mm equivalent): 25 - 600mm 28 - 140mm
Focal Length (actual): 4.5 - 108mm 5 - 25mm
Zoom Ratio: 24.00x 5.00x
Aperture Range: f/3.0 (wide) / f/6.9 (tele) - ??? f/3.5 - 4.2 (wide) / f/5.5 - 6.6 (tele)
Integrated ND Filter: No No
Normal Focus Range: 10 cm to Infinity
3.9 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 3 cm to Infinity
1.2 in to Infinity
1 - 30 cm
0.4 - 11.8 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 6.7x; Intelligent Zoom up to 33.5x at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: CCD Contrast Detection; Face Detect AF, iESP Auto, Spot AF, AF Tracking Contrast Detection with face recognition : 9 point AF, Spot AF, Auto Tracking AF, Macro, 1CM Macro, Infinity Landscape, Pan Focus, Manual Focus
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No No
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 2.7
Rear Display Resolution: 920,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   10.0x
Top Deck Display:
Exposure
Maximum ISO (native):   6400
Minimum ISO (native):   80
ISO Settings: Auto, High, 80, 100, 200, 400, 800, 1600, 3200, 6400 Auto, Manual (80 - 6400)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Overcast, Tungsten, Fluorescent 1 Auto, Daylight, Shade, Tungsten, Fluorescent , Manual
Shutter Speed Range: 1/1700 - 4 sec 1/1500 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Digital ESP Metering, Spot Metering Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Scene Modes (Portrait, Landscape, Hand-Held Starlight, Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, . Fireworks, Cuisine, Documents, Beach & Snow, Pet (Cat), Pet (Dog), 3D, Backlight HDR), Magic Art Filters (Pop Art, Pin Hole, Fish Eye, Drawing, Soft Focus, Punk, Sparkle, Water Color, Reflection, Miniature, Fragmented, Dramatic), Smart Panorama, In-Camera Panorama (Card), PC Panorama (Up to 10 frames automatically stitchable with ib software) Night Scene, Movie, Underwater, Underwater Movie, Digital Microscope, Landscape, Flower, Portrait, Digital Wide, Digital SR, Surf & Snow, Kids, Pet, Sport, Fireworks, Candlelight, Night Scene Portrait, Text, Food, Digital Panorama, Frame Composite, Report, Green, Voice Recording
Self Timer: 2, 12, Pet auto-shutter seconds 2 or 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-Eye Reduction, Fill-in, Off Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye
Flash Guide Number (ISO 100): 9.3 n/a
Flash Range Description: ISO 1600: Wide: 0.33ft (0.1m) - 30.5ft (9.3m); Tele: 1.31ft (0.4m) - 13.1ft (4.0m) 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
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: No No
Uncompressed Format:    
Movie File Format: MOV/H.264 with stereo sound AVI (Motion JPEG) with monaural sound
Included Memory: 59.0 MB 97.0 MB
Included Memory Type: Internal Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
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
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: No Yes
Remote Control Type:   Optional IR
Connections (extended): Multi-Terminal (USB Connector, Audio/Video Output), Micro HDMI Type-D Micro HDMI (Type-D)
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): 7.0 0.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 5 Unlimited
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): 200 shots 260 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary LI-50B Proprietary D-LI92
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LI-50B Lithium-ion rechargeable 1 x Proprietary D-LI92 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: OLYMPUS [ib] and Olympus Viewer 2 Software Software CD-ROM S-SW-147
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.3 - 10.5  
Miscellaneous
Notes & Features: Sensor-shift Image Stabilization, iHS Technology, 3-inch 920K-dot Touchscreen LCD, 1080p Full HD Movies, 7fps Full Resolution Burst mode. Available in silver and black. Waterproof (33'), Shockproof (4.9'), Coldproof (14F), Crushproof (220 LBF), Dustproof (JIS 6); Available in white or red.