• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • APS-C 369.7mm2
  • 14.6 megapixels
  •  
  • Detailed specifications
  • Pentax K-5
  • Samsung NX11
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-7
K-7 vs K-5
 
Successor: Pentax K-5 II
K-5 vs K-5 II
 
General
Model Number: K-5 NX11
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1749.95 $649.00
Street Price: $799.99  
Date Available: 2010-10-15 2011-02-28
Tripod Mount: Yes Yes
Weight: 35.4 oz (1,003 g)
includes batteries, kit lens
12.5 oz (353 g)
Size: 5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 mm)
4.8 x 3.4 x 1.6 in.
(123 x 87 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Samsung
Effective Megapixels: 16.3 14.6
Sensor Format: APS-C APS-C
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 4.81 microns 5.16 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 82 63
DxO Color Depth Score (bits): 23.7 22.7
DxO Dynamic Range Score (evs): 14.1 10.8
DxO Maximum Effective ISO Score (iso): 1,162 553
Image Capture
Image Resolution: 4928 x 3264 (16.1 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)
4592 x 3056 (14.0 MP, 3:2),
4592 x 2584 (11.9 MP, 16:9),
3056 x 3056 (9.3 MP, 1:1),
3872 x 2592 (10.0 MP, Other),
3872 x 2176 (8.4 MP, 16:9),
2592 x 2592 (6.7 MP, 1:1),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1920 x 1280 (2.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1280 x 1280 (1.6 MP, 1:1)
Image File Format: JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG) JPEG (EXIF 2.21), RAW (SRW)
Continuous-mode frames/second: 6.5 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (25)
1280x720 (30/​25)
640x480 (30/​25)
1280x720 (30)
640x480 (30 )
32 (30)
Movie File Format: AVI (Motion JPEG) MP4 (H.264), AAC (Sound)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Samsung NX
Lens: smc Pentax 18-55mm f/3.5-5.6AL DA WR Samsung 18-55mm F3.5-5.6 OIS i-Function
Focal Length (35mm equivalent): 27 - 83mm 27 - 83mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.06x 3.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) f/3.5 (W) / f/5.6 (T) - f/22
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
28 cm to Infinity
11.0 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX IX+, 11 point (9 cross type focus point in the center), with light wavelength sensor Contrast Detect: 1 point (Free selection) Multi: Normal 15points, Close Up 35 points Face Detection: Max 10 faces
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., 21.7mm eyepoint, -2.5 to +1.5 diopter EVF: 921,000 dot VGA (640 x 480 pixel), 100% coverage, 0.86x magnification, 20.2mm Eyepoint, -4 to +2 Diopter
Focus Peaking: No No
EVF Resolution: n/a  
Viewfinder Magnification (35mm equivalent): 0.61x 0.57x
Viewfinder Magnification (nominal/claimed): 0.92x 0.86x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 614,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 12800  
Minimum ISO (native): 100  
ISO Settings: Auto, 100-12800, expandable 80 to 51200 Auto, 100, 200, 400, 800, 1600, 3200 (1EV or 1/3EV step)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, daylight, shade, cloudy, fluorescent (D, N, W, L), tungsten, flash, CTE, manual (up to 3 settings), Kelvin temperature (up to 3 settings) Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Flash, Custom, K (Manual)
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot 247 (19 x 13) 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: Sensitivity Priority, Shutter and Aperture Priority Lens Priority, Sound Picture, Panorama, Scene (Beauty shot, Children, Close Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Night, Portrait, Landscape, Sports)
Self Timer: 2 or 12 seconds 2 - 30 sec. (1 sec. step) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. Smart Flash, Auto, Auto + Red-eye reduction, Fill-in, Fill-in + Red-eye reduction, 1st Curtain, 2nd Curtain, OFF
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 11.0 m / 36.1 ft.
Flash Range Description: Depends on lens Lens dependent
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.5EV steps
External Flash Connection: Hot Shoe, PC Sync socket Hot shoe
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG) RAW (SRW)
Movie File Format: AVI (Motion JPEG) MP4 (H.264), AAC (Sound)
Included Memory: No memory included  
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
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
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type: Optional Wired or IR Option Wired (SR9NX01)
Connections (extended): Mini HMDI, DC input, wired remote, 3.5mm external stereo mic jack DC Power Input Connector, Wired Remote
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3  
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 6.5  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 31  
RAW shooting speed in burst mode (fps): 6.5  
Buffer size for RAW shooting in burst mode (frames): 23  
RAW+JPEG shooting speed in burst mode (fps): 6.4  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 22  
Shutter lag (full AF, wide/mid): 0.10 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.25 seconds  
Shutter lag (prefocused, live view - DSLR): 0.384 seconds  
Shutter Lag (manual focus): 0.092 seconds  
Shutter lag (full AF, with flash): 0.21 seconds  
Shutter Lag (prefocused): 0.092 seconds  
Shutter Lag (notes): OVF: Full Autofocus lag, Auto Area (11-points) AF = 0.118s Live View (firmware 1.02): - Full AF PD AF = 1.30s - Full AF CD AF = 1.25s - Prefocused = 0.384s  
Startup Time: 0.6 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power: 2.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90; optional D-BG4 Battery Grip Proprietary BP1310
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary BP1310 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software (CD-ROM) S-SW110 Intelli-Studio 3.0, Samsung RAW Converter 4, Adobe Reader
OS Compatibility:   Windows XP SP2 / Vista / 7
Miscellaneous
Notes & Features: New 16.3MP CMOS APS-C sensor with ISOs up to 51200, sensor-shift shake reduction, 1080p HD video at 25fps, 11-point SAFOX IX+ AF system, 100%, 0.92x viewfinder, electronic level with tilt scale, improved in-camera HDR, SDXC compatible with firmware update, weather sealed magnesium allow body on stainless steel chassis.