• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 1/2.3 inch 28.1mm2
  • 16.3 megapixels
  • 23.00mm - 483.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-x
  • Samsung Galaxy Camera
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K2000
K2000 vs K-x
 
Successor: Pentax K-r
K-x vs K-r
 
General
Model Number: K-x Galaxy Camera
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $649.95 $499.99
Street Price: $701.76 $519.99
Date Available: 2009-10-15 2012-11-16
Tripod Mount: Yes No
Weight: 27.9 oz (791 g)
includes batteries, kit lens
10.6 oz (301 g)
includes batteries
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm)
5.1 x 2.8 x 0.8 in.
(129 x 71 x 19 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 16.3
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: 5.53 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: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 72  
DxO Color Depth Score (bits): 22.8  
DxO Dynamic Range Score (evs): 12.5  
DxO Maximum Effective ISO Score (iso): 811  
Image Capture
Image Resolution: 4288 x 2848 (12.2 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1984 x 1488 (3.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 4.3 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x416 (24)
1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
320x240 (30p)
768x512 (120p)
Movie File Format:   MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax DA L 18-55mm f/3.5-5.6 AL Samsung Zoom Lens
Focal Length (35mm equivalent): 27 - 84mm 23 - 483mm
Focal Length (actual): 18 - 55mm 4.1 - 86.1mm
Zoom Ratio: 3.00x 21.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/2.8 (wide) / f/5.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   80 cm to Infinity
31.5 in to Infinity
Macro Focus Range:   10 - 80 cm
3.9 - 31.5 in
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot Contrast Detection: Centre AF, Multi AF, Face Detection AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.57x  
Viewfinder Magnification (nominal/claimed): 0.85x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 4.8
Rear Display Resolution: 230,000 dots 2,764,800 dots (921,600 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: No
Exposure
Maximum ISO (native): 6400  
Minimum ISO (native): 200  
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 Auto, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes No
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom Auto WB, Daylight, Cloudy, Fluorescent_H, Fluorescent_L, Tungsten, Custom
Shutter Speed Range: 1/6000 - 30 sec 1/2000 - 16 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot Multi, Spot, Centre-weighted, Face Detection AE
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority Beauty face, Best photo, Continuous shot, Best face, Landscape, Macro, Action freeze, Rich tone, Panorama, Waterfall, Silhouette, Sunset, Night, Fireworks, Light trace. Expert Control (5 Mode) : P (Auto+), A (Aperture Priority), S (Speed Priority), Camcorder, M (Manual); Smart Pro: Macro, Rich Tone, Action Freeze, Waterfall Trace, Light Trace, Beautiful Sunset, Blue Sky, Natural Green, Silhouette, Vivid Fireworks; Photo Wizard: 35 photo editing tools
Self Timer: 2 or 12 seconds  
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless Auto, Auto & Red-eye reduction, Fill-in flash, Slow sync, Flash Off, Red-eye fix
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft. n/a
Flash Range Description: Depends on lens Wide : 0.2m - 6.2m (ISO Auto), Tele : 0.5m - 5.1m (ISO Auto)
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 1.0 EV in 0.5EV steps
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC microSD / microSDHC / microSDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (.PEF, .DNG)  
Movie File Format:   MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
Included Memory: No memory included 8,192.0 MB
Included Memory Type:   built-in memory (approx.)
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes
Remote Control Type: Optional IR  
Connections (extended): AC adapter available 4G, 3G (HSPA+ 21Mbps): 850 / 900 / 1900 / 2100 MHz. IEEE 802.11a/b/g/n WiFi. Micro HDMI (Type D), Headphone Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 2.00
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.43  
Buffer size for RAW shooting in single shot mode (frames): 10  
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): 4.3 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 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): 0.10 seconds 0.72 seconds
Shutter lag (full AF, tele):   0.48 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.082 seconds  
Shutter lag (full AF, with flash): 0.23 seconds  
Shutter Lag (prefocused): 0.082 seconds 0.093 seconds
Shutter Lag (notes): Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s  
Startup Time: 0.6 seconds 3.5 seconds
Play -> Record Time: 0.2 seconds  
Flash cycle time, full power: 3.3 seconds 6.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   340 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA)  
Battery Life, Video:    
Battery Form Factor: 4 x AA Lithium-ion rechargeable
Usable Battery Types: Lithium, Alkaline disposables; NiMH rechargeables 1,650 mAh lithium ion rechargeable
Batteries Included: 4 x AA Alkaline disposables 1 x 1,650 mAh lithium ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: CD-ROM  
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+  
Miscellaneous
Notes & Features: Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced. Uses a standard HD Super Clear Touch LCD screen, not an AMOLED like many Samsung devices. The stated resolution of 308 pixels per inch equates to a 1,280 x 720 pixel display. Has a 1.4GHz Quad-Core processor, and ships with Android 4.1 (Jelly Bean) operating system, which is optimized for user interface speed through Google's Project Butter. Includes Google Play Store, Search, Maps, Gmail, Latitude, Plus, YouTube, Talk, Places, Navigation, Downloads, Chrome browser, Play Books, and Play Movies apps. Includes GPS receiver with A-GPS and GLONASS support. Network/Bearer and Wireless Connectivity: GSM 3G , HSPA-PLUS HSPA+21 (850 / 900 / 1900 / 2100) 802.11a/b/g/n 2.4GHz / 5GHz Wi-Fi Direct available GAP, SSP, HSP, A2DP, SPP, OPP, AVRCP 1.3, HID DLNA, HDMI 1.4 support KIES, KIES Air support