• 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • 24.00mm - 80.00mm (35mm eq.)
  • 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)
  • Detailed specifications
  • Samsung EX2F
  • Nikon Coolpix S31
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: EX2F S31
Alternate Model Number(s):    
Camera Format: Compact Compact
Currently Manufactured: No No
Retail Price: $499.99 $119.95
Street Price: $479.39 $89.00
Date Available: 2012-08-15 2013-02-15
Tripod Mount: Yes Yes
Weight: 11.2 oz (318 g)
includes batteries
6.5 oz (185 g)
includes batteries
Size: 4.4 x 2.4 x 1.1 in.
(112 x 62 x 29 mm)
4.1 x 2.6 x 1.6 in.
(105 x 65 x 42 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer: BSI  
Effective Megapixels: 12.4 10.1
Sensor Format: 1/1.7 inch 1/3 inch
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 17.28mm2 (4.8mm x 3.6mm)
Approximate Pixel Pitch: 1.90 microns 1.32 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 48  
DxO Color Depth Score (bits): 20.0  
DxO Dynamic Range Score (evs): 11.5  
DxO Maximum Effective ISO Score (iso): 209  
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2832 x 2832 (8.0 MP, 1:1),
2592 x 1944 (5.0 MP, 4:3),
1984 x 1488 (3.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
3648 x 2736 (10.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), .MPO, RAW (.SRW), RAW+JPEG JPEG
Continuous-mode frames/second: 10.1 1.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p)
640x480 (30p/​120p)
320x240 (30p)
384x288 (240p)
192x144 (480p)
1280x720 (30p)
Movie File Format: MP4 (Video: MPEG-4 AVC/H.264, Audio: AAC)  
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Schneider-Kreuznach Varioplan; 11 elements in 9 groups, with 4 aspherical and 2 high refractive lenses NIKKOR; 6 elements in 5 groups
Focal Length (35mm equivalent): 24 - 80mm 29 - 87mm
Focal Length (actual): 5.2 - 17.2mm 4.1 - 12.3mm
Zoom Ratio: 3.30x 3.00x
Aperture Range: f/1.4 - 7.7 (wide) / f/2.7 - 8.5 (tele); includes ND filter f/3.3 (wide) / f/5.9 (tele) - ???
Integrated ND Filter: Yes No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range: 1 cm to Infinity
0.4 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Center AF, Multi AF, Tracking AF, Face Detection AF, Face Recognition AF, Selection AF Contrast Detection: Center, Face detection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: OLED LCD
Viewfinder Type: Optional OVF1 Optical View Finder  
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: 614,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 12.0x  
Top Deck Display:
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 80  
ISO Settings: Auto, 80 to 3200, 6400 and 12800 available when ISO Expansion is activated; ISO 12800 at 3MP Auto, 80, 100, 200, 400, 800, 1600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Cloudy, Fluorescent_H, Fluorescent_L, Tungsten, Custom, K Auto
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi, Spot, Center-weighted, Face Detection AE Matrix, Center-weighted (digital zoom less than 2x), Spot (digital zoom 2X or more)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Scene (Beauty Shot, Night, Landscape, Text, Sunset, Dawn, Backlight, Beach & Snow, 3D Photo), Magic Plus (Panorama, Magic Frame, Split Shot, Picture in Picture, Artistic Brush, HDR), Burst: Single, High-speed (10fps, 5fps, 3fps), Precapture, Bracket (WB, AE). Close Up, Continuous shooting, Diorama effect, Fireworks Show, Food, Interval shooting, Mirror, Underwater, Soft
Self Timer: 2 or 10 seconds 10, smile seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Auto & Red-eye reduction, Fill-in flash, Slow sync, Flash Off, Red-eye fix Auto, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 0.8m-7.8m (ISO Auto); Tele: 0.8m-4.1m (ISO Auto) Auto ISO: [W]: 0.5 to 3.5m (1ft. 8 in. to 11 ft.) [T]: 0.5 to 2.0m (1ft 8 in. to 6 ft 6 in.)
Max Flash Sync:    
Flash Exposure Compensation: +/- 1.0 EV in 0.5EV steps  
External Flash Connection: Hot Shoe 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: Yes No
Uncompressed Format: RAW (.SRW), RAW+JPEG  
Movie File Format: MP4 (Video: MPEG-4 AVC/H.264, Audio: AAC)  
Included Memory: 0.0 MB 25.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: Yes No
NFC:
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No
Remote Control Type:    
Connections (extended): Micro (Type D) HDMI; DC input supported via Micro USB  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.20  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.82  
Buffer size for RAW shooting in single shot mode (frames): 6  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 10.1 1.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 4
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): 0.38 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.205 seconds  
Shutter lag (full AF, with flash): 0.79 seconds  
Shutter Lag (prefocused): 0.130 seconds  
Shutter Lag (notes): Wide-area AF lag: 0.406s  
Startup Time: 1.7 seconds  
Play -> Record Time: 1.0 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 260 shots 260 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary SLB-10A Proprietary EN-EL12
Usable Battery Types: Lithium-ion Rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary SLB-10A Lithium-ion rechargeable 1 x Proprietary EN-EL12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: iLauncher, PC Auto Backup, Samsung Raw Converter Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows XP SP2 / Vista / 7 / 8; Mac OS 10.4 or higher Windows, Mac OS
Miscellaneous
Notes & Features: Wi-Fi Connectivity: Mobile Link, Remote Viewfinder, Social Sharing, Email, SkyDrive, Auto Backup, TV Link, Wi-Fi Direct. Waterproof (up to 16.4 feet), Shockproof (up to 3.9 feet) and Dustproof. Available in White, Blue, Pink, Brown or Yellow.