• APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800
  • APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Samsung NX20
  • Sigma sd Quattro
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: NX20 sd Quattro
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1099.99 $799.99
Street Price: $399.99 $699.00
Date Available: 2012-05-05 2016-07-15
Tripod Mount: Yes Yes
Weight: 22.5 oz (637 g)
includes batteries, kit lens
22.0 oz (625 g)
Size: 4.8 x 3.5 x 1.6 in.
(122 x 90 x 40 mm)
5.8 x 3.7 x 3.6 in.
(147 x 95 x 91 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung Foveon X3 Quattro
Effective Megapixels: 20.3 19.6
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 364.25mm2 (23.50mm x 15.50mm)
Approximate Pixel Pitch: 4.33 microns 4.33 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
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)
5424 x 3616 (19.6 MP, 3:2),
4816 x 3616 (17.4 MP, 4:3),
5424 x 3048 (16.5 MP, 16:9),
3616 x 3616 (13.1 MP, 1:1),
4480 x 3616 (16.2 MP, Other),
5424 x 2328 (12.6 MP, Other),
7680 x 5120 (39.3 MP, 3:2),
6816 x 5120 (34.9 MP, 4:3),
7680 x 4320 (33.2 MP, 16:9),
5120 x 5120 (26.2 MP, 1:1),
7680 x 3296 (25.3 MP, Other),
6352 x 5120 (32.5 MP, Other)
Image File Format: JPEG (EXIF 2.21), .SRW 12-bit RAW JPEG (EXIF 2.3), Lossless compressed 14-bit X3F RAW, (Uncompressed 12-bit DNG via upcoming firmware update), RAW(X3F)+JPEG
Continuous-mode frames/second: 7.5 n/a
Video Capture
Can take movies: Yes No
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
Movie File Format: MP4 (H.264) with AAC audio  
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Samsung NX Sigma SA bayonet
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX n/a
Focal Length (35mm equivalent): 27 - 84mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22  
Integrated ND Filter: No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
 
Macro Focus Range:    
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes
Digital Zoom Values: Up to 2x i-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 Hybrid Phase/Contrast Detect AF: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF Mode
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED EVF / 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- EVF: 2,360K-dot LCD, 100% coverage, 1.10x magnification, 21mm eyepoint, -4 to +2 diopter
Focus Peaking: No Yes
EVF Resolution: 1,440,000 dots (480,000 pixels) 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.69x 0.73x
Viewfinder Magnification (nominal/claimed): 1.04x 1.10x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 614,400 dots 1,620,000 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 6400
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (1 or 1/3 EV steps) Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits
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, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 221-segment Multi, Center-weighted, Spot Evaluative, center-weighted average, spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
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 Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome
Self Timer: 2-30 sec in 1 sec steps seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off n/a
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. n/a
Flash Range Description: Depends on lens aperture n/a
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe, PC Socket
Built-In Wireless Flash Control: No No
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: .SRW 12-bit RAW Lossless compressed 14-bit X3F RAW, (Uncompressed 12-bit DNG via upcoming firmware update), RAW(X3F)+JPEG
Movie File Format: MP4 (H.264) with AAC audio  
Included Memory: No memory included No memory included
Included Memory Type:    
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 3.0 Super Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired (SR2NX02) Optional wired (Cable Release Switch CR-3)
Connections (extended): Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port Mini (Type-C) 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  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11  
RAW shooting speed in burst mode (fps):   3.6
Buffer size for RAW shooting in burst mode (frames):   14
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 BP-61
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP1310 lithium-ion rechargeable 1 x Proprietary BP-61 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader SIGMA Photo Pro Download
OS Compatibility: Windows, Mac OS (except intelli-studio) Windows, Mac OS
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.