• APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Samsung Galaxy NX
  • Pentax K-S1
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: Galaxy NX K-S1
Alternate Model Number(s): GN120  
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $1399.99 $799.95
Street Price: $1,343.13 $500.00
Date Available: 2013-10-15 2014-09-15
Tripod Mount: Yes Yes
Weight: 25.3 oz (718 g)
includes batteries, kit lens
27.0 oz (765 g)
includes batteries, kit lens
Size: 5.4 x 4.0 x 1.0 in.
(137 x 101 x 26 mm)
4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung  
Effective Megapixels: 20.3 20.1
Sensor Format: APS-C APS-C
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.29 microns 4.29 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 75 78
DxO Color Depth Score (bits): 23.4 23.5
DxO Dynamic Range Score (evs): 12.3 13.0
DxO Maximum Effective ISO Score (iso): 910 1,061
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)
5472 x 3648 (20.0 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
Image File Format: JPEG, MPO, .SRW 12-bit RAW JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 8.2 5.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
320x240 (30p)
640x480 (240p)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: MP4 (H.264) with AAC audio MPEG-4 AVC/H.264 (MOV)
Composite Video Out: No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Samsung NX Pentax K (KA/KAF/KAF2)
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX smc Pentax-DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 27 - 84mm 27 - 83mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.06x 3.06x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 52.0mm
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: Hybrid AF (Phase and Contrast Detection) SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / 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- SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: Yes Yes
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.69x 0.63x
Viewfinder Magnification (nominal/claimed): 1.04x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 4.8 3.0
Rear Display Resolution: 2,764,800 dots (921,600 px) 921,600 dots (307,200 px)
Touchscreen: Yes No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600 (1 or 1/3 EV steps) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
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, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature
Shutter Speed Range: 1/6000 - 30 sec 1/6000 - 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 TTL open-aperture: 77 segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: (1) Portrait : Smart Mode Suggest, Beauty face, Best Photo, Continuous Shot, Best Face, Color Bracket, Kids, Vignett+, Golf; (2) Scenery : Landscape, Dawn, Snow; (3) Close-up/Indoor : Macro, Food, Party/Indoor; (4) Pro Style : Action freeze, Rich Tone, Panorama, Waterfall, Animated Photo, Multi Exposure, Drama, Eraser, Sound & Shot, Miniature, Creative Shot, Interval; (5) Night Scenery : Silhouette, Sunset, Night, Fireworks, Light Trace Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3
Self Timer: 2-30 sec in 1 sec steps seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes  
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 Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128)
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. 10.0 m / 32.8 ft.
Flash Range Description: Lens dependant; GN=11m (at ISO 100) Depends on lens
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: microSD / microSDHC / microSDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .SRW 12-bit RAW 12-bit RAW (.PEF, .DNG)
Movie File Format: MP4 (H.264) with AAC audio MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes No
NFC: No
Bluetooth: Yes No
Built-In GPS: Yes No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed,Bluetooth,WiFi USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type:   Optional IR
Connections (extended): Cellular (3G, 4G LTE), Wi-Fi, Micro (Type D) HDMI, SIM card slot, headphone jack (but not active during video recording) Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.12  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.33  
Buffer size for RAW shooting in single shot mode (frames): 20  
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): 8.2 5.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 20
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): 0.33 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.201 seconds  
Shutter lag (full AF, with flash): 0.55 seconds  
Shutter Lag (prefocused): 0.146 seconds  
Shutter Lag (notes): Full AF shutter lag, auto-area mode = 0.422s  
Startup Time: 2.7 seconds  
Play -> Record Time: 3.0 seconds  
Flash cycle time, full power: 6.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 440 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary D-LI109
Usable Battery Types: 3.8v 4360 mAh lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 4360 mAh lithium-ion rechargeable 1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Samsung Kies, Adobe Photoshop Lightroom Digital Camera Utility 5 Software CD-ROM
OS Compatibility: Windows, Mac  
Miscellaneous
Notes & Features: 20.3MP APS-C Sensor, DRIMe IV Image Processor, Advanced Hybrid Auto Focus (AF) System, 8.6fps Burst Mode, 30 Smart Modes, Runs Android 4.2 Jelly Bean OS, 1.6GHz Quad-Core Processor, Cellular (4G LTE, 3G), Wi-Fi a/b/g/n, Bluetooth 4.0 (LE), GPS, GLONASS. The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black.