• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 28.00mm - 560.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax Optio VS20
  • Samsung NX20
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: VS20 NX20
Alternate Model Number(s):    
Camera Format: Compact Compact System Camera
Currently Manufactured: No No
Retail Price: $249.95 $1099.99
Street Price: $105.84 $399.99
Date Available: 2012-02-15 2012-05-05
Tripod Mount: Yes Yes
Weight: 8.3 oz (235 g)
includes batteries 		22.5 oz (637 g)
includes batteries, kit lens
Size: 4.4 x 2.4 x 1.5 in.
(112 x 61 x 38 mm) 		4.8 x 3.5 x 1.6 in.
(122 x 90 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Samsung
Effective Megapixels: 16.0 20.3
Sensor Format: 1/2.33 inch APS-C
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.33 microns 4.33 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type:   RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: Yes No
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: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3) 		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)
Image File Format: JPEG (EXIF 2.3) JPEG (EXIF 2.21), .SRW 12-bit RAW
Continuous-mode frames/second: 1.0 7.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p) 		1920x1080 (30p)
1920x810 (24p)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
Movie File Format: AVI (Motion JPG) MP4 (H.264) with AAC audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Samsung NX
Lens: smc PENTAX zoom lens, 11 elements, 8 groups, 1 aspheric element Samsung 18-55mm f/3.5-5.6 OIS NX
Focal Length (35mm equivalent): 28 - 560mm 27 - 84mm
Focal Length (actual): 5 - 100mm 18 - 55mm
Zoom Ratio: 20.00x 3.06x
Aperture Range: f/3.1 (wide) / f4.8 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		28 cm to Infinity
11.0 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in 		 
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 7.2x Up to 2x i-Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 93 point AF, Spot AF, Auto Tracking AF, Macro, Super Macro, Infinity Landscape, Manual Focus 15-point Contrast Detection; has single-point and 35-point closeup modes; Face Detection : Max. 10 faces
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / OLED
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: n/a 1,440,000 dots (480,000 pixels)
Viewfinder Magnification (35mm equivalent):   0.69x
Viewfinder Magnification (nominal/claimed):   1.04x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 614,400 dots
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   12800
Minimum ISO (native):   100
ISO Settings: Auto: 100-1600 (auto range adjustable), Digital SR 100-6400, Manual: 100-6400 Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (1 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust
Shutter Speed Range: 1/2500 - 4 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi 221-segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M) 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
Self Timer: 10s, 2s, Remote 3s seconds 2-30 sec in 1 sec steps seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off
Flash Guide Number (ISO 100): n/a 11.0 m / 36.1 ft.
Flash Range Description: 17 feet (wide, auto ISO), 11 feet (tele, auto ISO) Depends on lens aperture
Max Flash Sync:   1/180
Flash Exposure Compensation:   +/- 2.0 EV in 0.5EV steps
External Flash Connection: n/a Hot shoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   .SRW 12-bit RAW
Movie File Format: AVI (Motion JPG) MP4 (H.264) with AAC audio
Included Memory: 16.0 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
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 USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional infrared Optional wired (SR2NX02)
Connections (extended):   Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port
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): 1.0 7.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 6 11
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): 200 shots 360 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI122 Proprietary BP1310
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI122 Lithium-ion rechargeable 1 x Proprietary BP1310 lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW122 intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader
OS Compatibility:   Windows, Mac OS (except intelli-studio)
Miscellaneous
Notes & Features: Sensor-shift image stabilization, Dual shutter release/zoom buttons, 720p HD movies, Optional IR remote, Digital level. Available in Noble Black or Brilliant White. 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.