• APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 600.00mm (35mm eq.)
  • Detailed specifications
  • Samsung NX20
  • Olympus Stylus SH-50
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Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: NX20 SH-50
Alternate Model Number(s):    
Camera Format: Compact System Camera Mid-Sized
Currently Manufactured: No No
Retail Price: $1099.99 $299.99
Street Price: $399.99 $278.61
Date Available: 2012-05-05 2013-03-15
Tripod Mount: Yes Yes
Weight: 22.5 oz (637 g)
includes batteries, kit lens
9.5 oz (269 g)
Size: 4.8 x 3.5 x 1.6 in.
(122 x 90 x 40 mm)
4.4 x 2.5 x 1.7 in.
(112 x 64 x 42 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung BSI CMOS
Effective Megapixels: 20.3 16.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 4.33 microns 1.34 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 75  
DxO Color Depth Score (bits): 23.4  
DxO Dynamic Range Score (evs): 12.9  
DxO Maximum Effective ISO Score (iso): 785  
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3712 x 2088 (7.8 MP, 16:9),
2640 x 2640 (7.0 MP, 1:1),
2976 x 1984 (5.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1728 x 1152 (2.0 MP, 3:2),
1024 x 1024 (1.0 MP, 1:1)
4608 x 3456 (15.9 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), .SRW 12-bit RAW JPEG (EXIF 2.3)
Continuous-mode frames/second: 7.5 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
1920x1080 (60i/​30p)
1280x720 (30p)
640x480 (30p)
1280x720 (120p)
432x324 (240p)
Movie File Format: MP4 (H.264) with AAC audio MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
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: Samsung NX n/a
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX Olympus lens; 11 elements in 10 groups with 3/6 aspherical and 3 ED elements
Focal Length (35mm equivalent): 27 - 84mm 25 - 600mm
Focal Length (actual): 18 - 55mm 4.5 - 108mm
Zoom Ratio: 3.06x 24.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.0 or f/8.7 (wide) / f/6.9 or f/20 (tele) with ND filter
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   3 cm to Infinity
1.2 in to Infinity
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 2x i-Zoom Up to 4x (2x Super Resolution Zoom)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 15-point Contrast Detection; has single-point and 35-point closeup modes; Face Detection : Max. 10 faces Contrast Detection; Face Detect AF, iESP Auto, Touch AF, AF Tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: EVF / OLED LCD
Viewfinder Type: EVF type with Eye Contact Sensor; SVGA (800 x 600) TFT-LCD; Coverage: Approx. 100%; Magnification: Approx. 1.04X (APS-C, 50mm, -1m-1), Approx. 0.68X (Equivalent to a 50mm lens on a 35mm camera); Eyepoint: Approx. 18.0mm; Diopter Adjustment: -4.0 to +4.0m-  
Focus Peaking: No No
EVF Resolution: 1,440,000 dots (480,000 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.69x  
Viewfinder Magnification (nominal/claimed): 1.04x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 614,400 dots 460,000 dots
Touchscreen: No Yes
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom:    
Top Deck Display: No
Exposure
Maximum ISO (native): 12800  
Minimum ISO (native): 100  
ISO Settings: Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (1 or 1/3 EV steps) Auto, High, 125, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust Auto, Sunlight, Cloudy, Incandescent, Fluorescent 1, One-touch
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 15 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 221-segment Multi, Center-weighted, Spot Digital ESP Metering, Spot Metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene: Panorama (Live, 3D), Beauty shot, Night, Landscape, Portrait, Children, Sports, Close-Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Sound Picture, 3D Photo; Smart Filter: Vignetting, Miniature, Fish-Eye, Sketch, De-fog, Halftone Dots, Soft Focus, Old Film1, Old Film2, Negative, Selective Color (4 Color Modes); Magic Frame: Old Album, Old Film, Wave, Full Moon, Old Record, Magazine, Sunny Day, Classic TV, Wall Art, Holiday, Billboard 1, Billboard 2, Newspaper Scene Modes (Portrait, Beauty, Landscape, Hand-Held Starlight, Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Pet (Cat), Pet (Dog), Super Macro, Backlight HDR); Magic Art Filters (Pop Art, Pin Hole, Fish Eye, Soft Focus, Punk, Water Color, Reflection, Miniature, Fragmented, Dramatic), In-Camera Smart Panorama
Self Timer: 2-30 sec in 1 sec steps seconds 2, 12, Pet auto-shutter seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off Auto, Red-Eye Reduction, Fill-in, Off
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. n/a
Flash Range Description: Depends on lens aperture ISO 3200: W: 0.1m - 9.4m; T: 0.4m - 4.0m
Max Flash Sync: 1/180  
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps  
External Flash Connection: Hot shoe n/a
Built-In Wireless Flash Control: No  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: .SRW 12-bit RAW  
Movie File Format: MP4 (H.264) with AAC audio MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
Included Memory: No memory included 39.3 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: Yes No
NFC: No
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: Yes Yes
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional wired (SR2NX02) Optional USB wired (RM-UC1)
Connections (extended): Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port Multi-Terminal (USB Connector, Audio/Video Output, DC Input), Micro (Type-D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.40  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.32  
Buffer size for RAW shooting in single shot mode (frames): 4  
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): 7.5 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11 17
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): 0.35 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.060 seconds  
Shutter lag (full AF, with flash): 0.62 seconds  
Shutter Lag (prefocused): 0.044 seconds  
Shutter Lag (notes): Full AF Shutter Lag, Wide Area mode = 0.650s  
Startup Time: 3.0 seconds  
Play -> Record Time: 0.9 seconds  
Flash cycle time, full power: 3.6 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 360 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary BP1310 Proprietary LI-90B
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP1310 lithium-ion rechargeable 1 x Proprietary LI-90B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader OLYMPUS [ib] Software
OS Compatibility: Windows, Mac OS (except intelli-studio) Windows XP/Vista/7/8, Mac OS X 10.3 - 10.8
Miscellaneous
Notes & Features: Built-in Wi-Fi (IEEE 802.11b/g/n support, Mobile Link, Remote Viewfinder, Social Sharing, Email, Cloud , Auto Backup, TV Link, Wi-Fi Direct), supports geotagging w/ optional WGS84 GPS Module. 3-axis sensor-shift image stabilization, 3" touchpanel LCD, Full HD movies, High-speed video, Advanced Shadow Adjustment Technology, HDR Backlight Adjustment, 11 Magic Filters. Available in black or silver.