• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 12,800
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 33.00mm - 165.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-r
  • Fujifilm FinePix AX550
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-x
K-x vs K-r
 
Successor:    
General
Model Number: K-r AX550
Alternate Model Number(s):    
Camera Format: SLR Ultra Compact
Currently Manufactured: No No
Retail Price: $849.95 $89.95
Street Price:   $116.16
Date Available: 2010-10-15 2012-03-15
Tripod Mount: Yes Yes
Weight: 30.1 oz (852 g)
includes batteries, kit lens
5.9 oz (168 g)
includes batteries
Size: 4.9 x 3.8 x 2.7 in.
(125 x 97 x 68 mm)
3.7 x 2.4 x 1.1 in.
(93 x 60 x 28 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CCD
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  
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 3440 (15.9 MP, Other),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2304 x 1728 (4.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG
Continuous-mode frames/second: 5.6 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (25)
640x480 (25)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: No No
HD Video Connection:
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 Fujinon; 8 elements in 8 groups
Focal Length (35mm equivalent): 27 - 84mm 33 - 165mm
Focal Length (actual): 18 - 55mm 5.9 - 29.5mm
Zoom Ratio: 3.00x 5.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/3.3 or f/8 (wide) / f/5.9 or f/14.4 (tele) with ND filter
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
45 cm to Infinity
17.7 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 No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 7.2x
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 AF: Center / Tracking AF
Auto Focus Assist Light? Yes No
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 2.7
Rear Display Resolution: 921,000 dots 230,000 dots
Touchscreen: No No
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, 100, 200, 400, 800, 1600 , 3200* (* at S image size)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, CTE, Manual Auto, Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light
Shutter Speed Range: 1/6000 - 30 sec 1/1400 - 8 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-zone multi
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 Natural Light & with Flash, Natural Light, Portrait, Baby, Smile & Shoot, Landscape, Motion Panorama, Sport, Night, Night (Tripod), Fireworks, Sunset, Snow, Beach, Party, Flower, Text
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, Forced Flash, Suppressed Flash, Slow Synchro; Red-eye removal can be turned off/on
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Depends on lens Auto ISO: Wide: Approx. 60 cm - 3.0 m / 2.0 ft. - 9.8 ft.; Telephoto: Approx. 60 cm - 2.0 m / 2.0 ft. - 6.6 ft.
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
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) AVI (Motion JPEG) with monaural sound
Included Memory: No memory included 0.0 MB
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No 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
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Optional IR  
Connections (extended): IrSimple infrared data transfer  
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  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30  
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):   480 shots (NiMH AA)
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 2 x AA
Usable Battery Types: Lithium-ion rechargeable or 4 AAs with D-BH109 Lithium or Alkaline disposable, NiMH rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 2 x AA Alkaline disposables
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW110  
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. Digital Image Stabilization, 720p HD Video, Motion Panorama, Tracking AF, Natural Light & with Flash. Available in black.