• 35mm 864.0mm2
  • 18.1 megapixels
  • ISO 100 - 51,200
  • APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Canon EOS-1D X
  • Pentax K-50
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon 1Ds Mark III
1Ds Mark III vs 1DX
Pentax K-30
K-30 vs K-50
Successor: Canon 1DX Mark II
1DX vs 1DX Mark II
Pentax K-70
K-50 vs K-70
General
Model Number: 1DX K-50
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: No No
Retail Price: $6800.00 $779.95
Street Price: $5,299.00 $149.00
Date Available: 2012-06-15 2013-07-15
Tripod Mount: Yes Yes
Weight: 54.7 oz (1,551 g)
includes batteries
31.9 oz (904 g)
includes batteries, kit lens
Size: 6.2 x 6.4 x 3.3 in.
(158 x 164 x 83 mm)
5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 18.1 16.3
Sensor Format: 35mm APS-C
Sensor size: 864mm2 (36.00mm x 24.00mm) 372.09mm2 (23.70mm x 15.70mm)
Approximate Pixel Pitch: 6.94 microns 4.81 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 82 79
DxO Color Depth Score (bits): 23.8 23.7
DxO Dynamic Range Score (evs): 11.8 13.0
DxO Maximum Effective ISO Score (iso): 2,786 1,120
Image Capture
Image Resolution: 5184 x 3456 (17.9 MP, 3:2),
4608 x 3072 (14.2 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2592 x 1728 (4.5 MP, 3:2)
4928 x 3264 (16.1 MP, Other),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2688 x 1792 (4.8 MP, 3:2)
Image File Format: JPEG, RAW, M-RAW (10.1MP), S-RAW (4.5MP); 14-bit CR2; RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second: 12.0 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
Movie File Format: MOV (Video: H.264 Intra/Inter frame, Sound: Linear PCM) MOV MPEG-4 AVC (H.264) with monaural audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Canon EF Pentax K (KA/KAF/KAF2/3)
Lens: n/a smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm
Focal Length (35mm equivalent):   27 - 83mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.06x
Aperture Range:   f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values:   n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detect : 61-point / 41 F4 cross-type AF points inc 5 dual cross type at F2.8; Spot, Single, Single + Adj 4 pts, Single + Adj 8 pts, Zone, Auto Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot)
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.76x magnification, 20mm eyepoint, -3.0 to +1.0 diopter SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, Natural-Bright-Matte III focusing screen (interchangeable)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.76x 0.61x
Viewfinder Magnification (nominal/claimed): 0.76x 0.92x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,040,000 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 51200 51200
Minimum ISO (native): 100 100
ISO Settings: Auto (100-51200), 100-51200 (in 1/3-stop or whole stop increments), ISO can be expanded to L: 50, H1: 102400, H2: 204800 Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent light, Flash, Custom (up to 5), Color Temperature (Kelvin) Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets
Shutter Speed Range: 1/8000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 100K-pixel RGB sensor: 252-zone Evaluative (35 zones in low light), Center-weighted, Partial, Spot (Center, AF Point-linked, Multi (max 8 spots)) TTL open-aperture: 77-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Multiple Exposure. Sensitivity Priority, Shutter and Aperture Priority, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3
Self Timer: 10, 2 seconds 2 or 12 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Depends on lens
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: PC Sync, Hot Shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: CF1 / CF2 SD / SDHC / SDXC
UHS Support:    
Other Memory: UDMA7 compliant  
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, M-RAW (10.1MP), S-RAW (4.5MP); 14-bit CR2; RAW+JPEG 12-bit RAW (.DNG), RAW+JPEG
Movie File Format: MOV (Video: H.264 Intra/Inter frame, Sound: Linear PCM) MOV MPEG-4 AVC (H.264) with monaural audio
Included Memory: No memory included No memory included
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,Ethernet USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired (N3 contact), wireless Optional Wired or IR
Connections (extended): System extension terminal, RJ-45 LAN (1000BASE-T), mini HDMI, stereo mic mini jack, PC-sync terminal Wired remote port
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): 12.0 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 56 30
RAW shooting speed in burst mode (fps): 12.0  
Buffer size for RAW shooting in burst mode (frames): 31  
RAW+JPEG shooting speed in burst mode (fps): 12.0  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 16  
Shutter lag (full AF, wide/mid): 0.13 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 0.75 seconds  
Shutter lag (prefocused, live view - DSLR): 0.064 seconds  
Shutter Lag (manual focus): 0.095 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.056 seconds  
Shutter Lag (notes): Full AF lag, wide-area mode = 0.221s Prefocused lag, Shortened enabled = 0.038s Live View AF lag, phase-detect = 0.897s Live View AF lag, contrast-detect = 0.746s Live View prefocused lag = 0.064s  
Startup Time: 0.5 seconds  
Play -> Record Time: 0.2 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 1120 shots 480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E4N Proprietary; optional D-BH109 AA Battery Holder
Usable Battery Types: Lithium-ion rechargeable D-LI109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E4N 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: Yes
Internal Charging Supported: No
Software
Included Software: Digital Photo Professional, EOS Utility, ZoomBrowser EX / ImageBrowser, Photostitch, Picture Style Editor Software CDROM (SILKYPIX Developer Studio for PENTAX included)
OS Compatibility: Windows XP (SP2/SP3) / Vista inc SP1 (excl. Starter Edition) / 7 (excl. Starter Edition); OS X v10.4-10.6  
Miscellaneous
Notes & Features: 18MP Full-frame CMOS sensor with 16-channel readout, dual DIGIC 5+ processors, advanced dust reduction, new 100K-pixel RGB metering system, new 61-point AF system, 12 fps burst (up to 14 fps in JPEG only, mirror locked-up), dual CF card slots, GbE port. Replaces K-30: tweaked 16MP sensor, tweaked PRIME M processor, maximum ISO now 51,200, controllable Eye-Fi connection, new WR L kit lenses. Available in 120 colors (20 base colors, 6 grip colors).