• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • 35mm 864.0mm2
  • 18.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Pentax 645D
  • Canon EOS-1D C
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax 645Z
645D vs 645Z
 
General
Model Number: 645D EOS-1D C
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No No
Retail Price: $9995.95 $15000.00
Street Price: $3,599.00 $6,989.00
Date Available: 2010-12-15 2013-03-15
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
54.5 oz (1,545 g)
includes batteries
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
6.2 x 6.4 x 3.3 in.
(158 x 164 x 83 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Kodak KAF-40000 Canon
Effective Megapixels: 40.0 18.1
Sensor Format: Medium format 35mm
Sensor size: 1452mm2 (44.00mm x 33.00mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 6.06 microns 6.94 microns
Focal Length Multiplier: 0.8x 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 82  
DxO Color Depth Score (bits): 24.6  
DxO Dynamic Range Score (evs): 12.6  
DxO Maximum Effective ISO Score (iso): 1,262  
Image Capture
Image Resolution: 7264 x 5440 (39.5 MP, Other),
6528 x 4896 (32.0 MP, 4:3),
5376 x 4032 (21.7 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
3072 x 2304 (7.1 MP, 4:3)
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)
Image File Format: JPEG, 14-bit PEF / DNG Raw JPEG (EXIF 2.3), RAW, M-RAW, S-RAW; 14-bit CR2; RAW+JPEG
Continuous-mode frames/second: 1.1 12.0
Video Capture
Can take movies: No Yes
Movie Resolution: 4096x2160 (24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
Movie File Format:   MOV Video: 4K - MJPEG, FULL HD/ HD/SD - H.264 Intra frame / inter frame; Sound: Linear PCM, recording level can be manually adjusted by user
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax 645 bayonet Canon EF
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
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: 11-point SAFOX IX+ Phase Difference Detection, single / continuous 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
Auto Focus Assist Light? No No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD
Viewfinder Type: Trapezoid prism finder w/ Natural-Bright-Matte focusing screen; Coverage: 98%; Magnification: 0.62X (with D FA645 55mm F2.8 lens at infinity) SLR type; eye-level pentaprism, 100% coverage, 0.76x magnification, 20mm eyepoint, -3.0 to +1.0 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.76x
Viewfinder Magnification (nominal/claimed): 0.62x 0.76x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,000 dots (307,000 px) 1,040,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   10.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 1000 51200
Minimum ISO (native): 200 100
ISO Settings: Auto (with programmable limits), 200 to 1000 in 1, 1/2 or 1/3 EV steps; expandable to 100 and 1600 Auto (100-51200), 100-51200 (in 1/3-stop or whole stop increments), ISO can be expanded to L: 50, H1: 102400, H2: 204800; ISO range of 100-25600 for movies
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent ( D / N / W / L), Tungsten, Flash, CTE, Manual 1 / 2 / 3, Color temperature setting 1 / 2 / 3 w/ adjustment Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent light, Flash, Custom (up to 5), Color Temperature (Kelvin)
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 77-segment multi, center-weighted, spot 100K-pixel RGB sensor: 252-zone Evaluative (35 zones in low light), Center-weighted, Partial (6.5%), Spot (2.5%, Center, AF Point-linked, Multi (max 8 spots))
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:    
Self Timer: 2 or 12 seconds 10, 2 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: P-TTL, high-speed sync, wireless sync w/ Pentax flash n/a
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/125 1/250
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1 / CF2
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG Raw RAW, M-RAW, S-RAW; 14-bit CR2; RAW+JPEG
Movie File Format:   MOV Video: 4K - MJPEG, FULL HD/ HD/SD - H.264 Intra frame / inter frame; Sound: Linear PCM, recording level can be manually adjusted by user
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: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Ethernet
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or wired Wired (N3 contact), Wireless (LC-5)
Connections (extended): DC input System extension terminal, RJ-45 LAN (1000BASE-T), mini HDMI, stereo microphone mini jack, stereo headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.09  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.10  
Buffer size for RAW shooting in single shot mode (frames): 17  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.09  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 1.1 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19  
RAW shooting speed in burst mode (fps): 1.1  
Buffer size for RAW shooting in burst mode (frames): 16  
RAW+JPEG shooting speed in burst mode (fps): 1.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 15  
Shutter lag (full AF, wide/mid): 0.16 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.141 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.142 seconds  
Shutter Lag (notes): Full Autofocus lag, Auto Area AF = 0.180s  
Startup Time: 0.7 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary LP-E4N
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary LP-E4N 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: PENTAX Digital Camera Utility 4 (Ver.4.20) ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture, WFT utility), Picture Style Editor
OS Compatibility:   Windows XP (SP2/SP3) / Vista inc SP1 (excl. Starter Edition) / 7 (excl. Starter Edition) OS X v10.6-10.7
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots. 18.1MP full frame CMOS sensor, 8-bit 4:2:2 4K Motion JPEG video (4096 x 2160 pixels), 1920x1080p at 60/50fps, Dual DIGIC 5+ processors, Uncompressed YCbCr 8-bit 4:2:2 HDMI output, Canon Log Gamma, stereo microphone and headphone jacks. Available 2012.