• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 12,800
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 300.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-r
  • Nikon Coolpix S6400
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-x
K-x vs K-r 		 
Successor:    
General
Model Number: K-r S6400
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $849.95 $249.95
Street Price:    
Date Available: 2010-10-15 2012-09-15
Tripod Mount: Yes Yes
Weight: 30.1 oz (852 g)
includes batteries, kit lens 		5.3 oz (150 g)
includes batteries
Size: 4.9 x 3.8 x 2.7 in.
(125 x 97 x 68 mm) 		3.8 x 2.3 x 1.1 in.
(95 x 59 x 27 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 16.0
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): 22.9  
DxO Dynamic Range Score (evs): 12.4  
DxO Maximum Effective ISO Score (iso): 750  
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),
3264 x 2448 (8.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG, MPO
Continuous-mode frames/second: 5.6 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (25)
640x480 (25) 		1920x1080 (30p)
1280x720 (30p)
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
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 Zoom-Nikkor VR ED lens; 8 elements in 8 groups
Focal Length (35mm equivalent): 27 - 84mm 25 - 300mm
Focal Length (actual): 18 - 55mm 4.5 - 54mm
Zoom Ratio: 3.00x 12.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/3.1 (wide) / f/6.5 (tele) - ??; electronically controlled ND filter
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity 		50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   10 cm to Infinity
3.9 in to Infinity
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 Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX IX TTL phase-detect 11-point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot Contrast Detection: Auto (9-area automatic selection), Center, Face priority, Manual (focus area can be selected using the touch panel), Subject tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: Optical / LCD LCD
Viewfinder Type: SLR type; 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): 3.0 3.0
Rear Display Resolution: 921,000 dots 460,000 dots
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): 12800  
Minimum ISO (native): 200  
ISO Settings: Auto: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600; Manual: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600 Auto (125-1600), Fixed Range Auto (125-400, 125-800), 125, 200, 400, 800, 1600; ISO 3200 available when using Auto exposure mode
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, CTE, Manual Auto, Daylight, Incandescent, Fluorescent, Cloudy, Flash, Preset Manual (Custom)
Shutter Speed Range: 1/6000 - 30 sec 1/4000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot 256-segment matrix, Center-weighted (digital zoom less than 2X), Spot (digital zoom 2X or more)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: 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], Night Scene HDR [JPG]), Sensitivity Priority Back Light, Beach, Black and White Copy, Close Up, Copy, Draw, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Landscape, Museum, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait Portrait, Snow, Sports, Sunset, 3D Photography
Self Timer: 2 or 12 seconds 2 or 10 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, Flash off, Fill flash, Slow sync
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Depends on lens Auto ISO: [W]: 0.5 to 6.2m (1ft. 8 in. to 20 ft.) [T]: 1.2 to 2.9m (4 ft. to 9 ft. 6 in.)
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 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 / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (.PEF, .DNG)  
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Included Memory: No memory included 78.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes 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 Yes
Remote Control: Yes
Remote Control Type: Optional IR  
Connections (extended): IrSimple infrared data transfer Mini (Type-C) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.31  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.31  
Buffer size for RAW shooting in single shot mode (frames): 17  
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): 5.6 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 7
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): 0.11 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.098 seconds  
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.097 seconds  
Shutter Lag (notes): OVF: Full AF lag, Auto-Area: 0.118s Live View: Contrast-Detect AF: 1.049s Phased-Detect AF: 1.197s Prefocused: 0.335s  
Startup Time: 0.3 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   160 shots
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary EN-EL19
Usable Battery Types: Lithium-ion rechargeable or 4 AAs with D-BH109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary EN-EL19 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-SW110 Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+  
Miscellaneous
Notes & Features: Sensor-shift shake reduction, new 11-point SAFOX IX AF system with viewfinder focus indicators, 3-inch hi-res LCD, 6fps burst mode, 720p movies, dual power source (lithium-ion battery pack or 4 AAs with optional D-BH109 battery holder), improved in-camera HDR image capture including a Night Scene HDR mode. Available in Traditional Black, Classic White and Red. Optical image stabilization, 3-inch touchscreen LCD, 1080p Full HD movies, 3D photos, 10fps full-resolution burst mode (7 frames). Available in purple, silver, red or blue.