• 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 NX30
  • Pentax K-S2
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: NX30 K-S2
Alternate Model Number(s):    
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $999.99 $799.95
Street Price: $899.00 $499.00
Date Available: 2014-02-20 2015-02-15
Tripod Mount: Yes Yes
Weight: 23.1 oz (654 g)
includes batteries, kit lens 		30.3 oz (859 g)
includes batteries, kit lens
Size: 5.0 x 3.8 x 1.6 in.
(127 x 96 x 42 mm) 		4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 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: None Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 76  
DxO Color Depth Score (bits): 23.5  
DxO Dynamic Range Score (evs): 12.4  
DxO Maximum Effective ISO Score (iso): 1,014  
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),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1728 x 1152 (2.0 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
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, RAW (SRW), RAW+JPEG JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 8.9 5.2
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​30p)
1920x810 (24p)
1280x720 (60p/​30p)
640x480 (30p)
320x240 (30p)
1280x720 (120p)
640x480 (120p)
320x240 (120p) 		1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: MP4 (Video: MPEG4, AVC/H.264, Audio: AAC) MPEG-4 AVC/H.264 (MOV)
Composite Video Out: No 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/KAF2/3)
Lens: Samsung 18-55mm f/3.5-5.6 III OIS NX smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups
Focal Length (35mm equivalent): 27 - 84mm 27 - 75mm
Focal Length (actual): 18 - 55mm 18 - 50mm
Zoom Ratio: 3.06x 2.78x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/4 - f/22 (wide) / f/5.6 - f/32 (tele)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity 		30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes No
Digital Zoom Values: Up to 2x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Samsung NX AF System II (Hybrid contrast/phase-detect): 105points (Phase Detection AF), 247points (Contrast AF), Selection: 1point ( Free selection ), Multi: Normal 21 (3 x 7) points, Closeup 35points, Face Detection: Max. 10 faces SAFOX 11 TTL phase-matching: 11 points (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED Optical / LCD
Viewfinder Type: Tiltable (up to 80 degrees) EVF with eye sensor; XGA (1024x768) 2,359K dots; 100% Field of view; 0.96x Magnification(50mm eq. lens); -4 to +1 diopter 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: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.64x 0.63x
Viewfinder Magnification (nominal/claimed): 0.96x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 921,600 dots (230,400 px)
Touchscreen: Yes No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
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 Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Flash, Custom, K (Manual) 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: 1/8000 - 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: 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: Beauty Face, Landscape, Macro, Action Freeze, Rich Tone, Panorama, Waterfall, Silhouette, Sunset, Night, Fireworks, Light Trace, Creative Shot, Best Face, Multi-Exposure, Smart Jump Shot Shutter & Aperture Priority (TAv), Sensitivity Priority, Advanced HDR, Scene Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; Dynamic range adjustment: Highlight, shadow
Self Timer: 2-30 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. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent; GN=11 (ISO 100, m) GN=12 (m, ISO 100); range depends on lens aperture
Max Flash Sync: 1/200 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: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (SRW), RAW+JPEG 12-bit RAW (.PEF, .DNG)
Movie File Format: MP4 (Video: MPEG4, AVC/H.264, Audio: AAC) MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Wi-Fi live view; optional wired via USB Optional IR or Wi-Fi
Connections (extended): Mult-function USB port compatible with wired remote Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.62 0.35
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.73  
Buffer size for RAW shooting in single shot mode (frames): 21  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.62 0.35
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 8.9 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 21 28
RAW shooting speed in burst mode (fps): 8.9 5.2
Buffer size for RAW shooting in burst mode (frames): 12 9
RAW+JPEG shooting speed in burst mode (fps): 8.8 5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 11 6
Shutter lag (full AF, wide/mid): 0.13 seconds 0.12 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.75 seconds
Shutter lag (prefocused, live view - DSLR):   0.214 seconds
Shutter Lag (manual focus): 0.087 seconds 0.098 seconds
Shutter lag (full AF, with flash): 0.23 seconds 0.15 seconds
Shutter Lag (prefocused): 0.083 seconds 0.077 seconds
Shutter Lag (notes): Full AF lag, wide-area AF mode = 0.285s  
Startup Time: 0.8 seconds 1.0 seconds
Play -> Record Time: 0.9 seconds 0.2 seconds
Flash cycle time, full power: 3.6 seconds 2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 360 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-1410 Proprietary D-LI109
Usable Battery Types: 1410mAh Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-1410 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: No Yes
Internal Charging Supported: Yes No
Software
Included Software: iLauncher, Adobe Lightroom v5 Digital Camera Utility 5 Software CD-ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Wi-Fi: IEEE 802.11b/g/n supports Dual Channel (Smart Camera 3.0 with NFC, AutoShare, SNS & Cloud, Email, Auto Back, Remote Viewfinder Pro, Mobile Link,Samsung Link, Group Share, Photo Beam, HomeSync, Baby Monitor) 20 megapixel AA Filter-less CMOS sensor with Prime MII processor, built-in Wi-Fi with NFC, weather-resistant body, all-new retractable kit zoom lens. The K-S2 will be available in 3 standard colors: black, white, and graphite with an orange accent. RICOH IMAGING is also pleased to announce the color order service for the PENTAX K-S2. The PENTAX K-S2 offers a choice of seven color options in two outdoor-themed collections: three in the Nature Collection; Forest Green, Desert Beige, and Stone Gray as well as four in the Sports Collection: White and Lime, Black and Pink, White with a Racing Stripe, and Black with a Racing Stripe.