• APS-C 369.7mm2
  • 15.1 megapixels
  • ISO 100 - 3200
  • Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • Detailed specifications
  • Canon EOS 50D
  • Pentax 645D
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon 40D
40D vs 50D
 
Successor: Canon 60D
50D vs 60D
Pentax 645Z
645D vs 645Z
General
Model Number: 50D 645D
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No No
Retail Price: $1399.00 $9995.95
Street Price: $999.95 $3,599.00
Date Available: 2008-10-15 2010-12-15
Tripod Mount: Yes Yes
Weight: 29.0 oz (822 g)
includes batteries
52.2 oz (1,480 g)
includes batteries
Size: 5.7 x 4.2 x 2.9 in.
(146 x 108 x 74 mm)
6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer: Canon Kodak KAF-40000
Effective Megapixels: 15.1 40.0
Sensor Format: APS-C Medium format
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 1452mm2 (44.00mm x 33.00mm)
Approximate Pixel Pitch: 4.99 microns 6.06 microns
Focal Length Multiplier: 1.6x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 63 82
DxO Color Depth Score (bits): 21.8 24.6
DxO Dynamic Range Score (evs): 11.4 12.6
DxO Maximum Effective ISO Score (iso): 696 1,262
Image Capture
Image Resolution: 4752 x 3168 (15.1 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2352 x 1568 (3.7 MP, 3:2)
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)
Image File Format: JPEG, 14-bit RAW, sRAW1, sRAW2 JPEG, 14-bit PEF / DNG Raw
Continuous-mode frames/second: 6.3 1.1
Video Capture
Can take movies: No No
Movie Resolution:
Movie File Format:    
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: Yes
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Pentax 645 bayonet
Lens: Canon EF 28-135mm f/3.5-5.6 IS USM n/a
Focal Length (35mm equivalent): 45 - 216mm  
Focal Length (actual): 28 - 135mm  
Zoom Ratio: 4.82x  
Aperture Range: f/3.5-22 (W), f/5.6-36 (T)  
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
 
Macro Focus Range:    
Filter Thread: 72.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No
Digital Zoom Values:   n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: AF-dedicated CMOS Sensor, 9 cross-type AF points, f/2.8 rotated cross center point 11-point SAFOX IX+ Phase Difference Detection, single / continuous
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD (playback only)
Viewfinder Type: SLR type; eye-level pentaprism, 95% coverage, 0.95x mag., 22mm eyepoint. -3 to +1 diopter Trapezoid prism finder w/ Natural-Bright-Matte focusing screen; Coverage: 98%; Magnification: 0.62X (with D FA645 55mm F2.8 lens at infinity)
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.59x 0.78x
Viewfinder Magnification (nominal/claimed): 0.95x 0.62x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 920,000 dots 921,000 dots (307,000 px)
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): 3200 1000
Minimum ISO (native): 100 200
ISO Settings: Auto, 100 - 3200 in 1/3 or 1EV steps, H1=6400, H2=12800 Auto (with programmable limits), 200 to 1000 in 1, 1/2 or 1/3 EV steps; expandable to 100 and 1600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom, Kelvin 2800K - 10,000K Auto, Daylight, Shade, Cloudy, Fluorescent ( D / N / W / L), Tungsten, Flash, CTE, Manual 1 / 2 / 3, Color temperature setting 1 / 2 / 3 w/ adjustment
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 35-zone Evaluative, Center-weighted, Partial (9%), Spot (3.8%) 77-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: Creative Auto, Green Zone, Portrait, Landscape, Close-up, Action, Night Portrait, Flash Off, User1, User2  
Self Timer: 10 or 2 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: E-TTL II P-TTL, high-speed sync, wireless sync w/ Pentax flash
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Lens aperture dependent n/a
Max Flash Sync: 1/250 1/125
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Hot Shoe, PC Sync Hot shoe, X-sync socket
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: CF1 / CF2 SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW, sRAW1, sRAW2 14-bit PEF / DNG Raw
Movie File Format:    
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: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional Optional IR or wired
Connections (extended): N3-type push-in terminal, HDMI mini out DC input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 1.09
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 1.10
Buffer size for RAW shooting in single shot mode (frames): Unlimited 17
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.09
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 6.3 1.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 43 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): 0.13 seconds 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): 0.120 seconds 0.141 seconds
Shutter lag (full AF, with flash): 0.24 seconds  
Shutter Lag (prefocused): 0.063 seconds 0.142 seconds
Shutter Lag (notes): Live View: Full AF, Quick Mode: 0.85s Prefocus, Quick Mode: 0.108s Full AF, Face Detect: 1.97s Full AF, Live Mode: 2.06s Full Autofocus lag, Auto Area AF = 0.180s
Startup Time: 0.3 seconds 0.7 seconds
Play -> Record Time: 0.5 seconds 0.3 seconds
Flash cycle time, full power: 1.9 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 640 shots 800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-511/A, BP-512; BG-E2N Battery Grip Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeble Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-511A Lithium-ion rechargeble 1 x Proprietary D-LI90 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 and ImageBrowser PENTAX Digital Camera Utility 4 (Ver.4.20)
OS Compatibility: Windows XP/Vista, Mac OS X.  
Miscellaneous
Notes & Features: 15.1-megapixel upgrade to 40D: APS-C, DIGIC IV, 920K LCD, HDMI Out, Vignetting Correction, AF Microadjustment for up to 20 lenses, new Creative Auto exposure mode, 4-step adjustable high-ISO NR, 4-step adjustable ALO, 6.3 fps, Face Detection in LV mode. Native ISO range, 1/3 stop adjustable up to 3,200. H1 is 6,400, H2 is 12,800. Variable RAW (15.1MP (L), 7.1MP(M), 3.8MP(S) in RAW). Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots.