• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 369.7mm2
  • 15.1 megapixels
  • ISO 100 - 3200
  • Detailed specifications
  • Pentax K20D
  • Canon EOS 50D
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D
Canon 40D
40D vs 50D
Successor: Pentax K-7
K20D vs K-7
Canon 60D
50D vs 60D
General
Model Number: K20D 50D
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No No
Retail Price: $799.95 $1399.00
Street Price:   $999.95
Date Available: 2008-04-30 2008-10-15
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
29.0 oz (822 g)
includes batteries
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
5.7 x 4.2 x 2.9 in.
(146 x 108 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 14.6 15.1
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.05 microns 4.99 microns
Focal Length Multiplier: 1.5x 1.6x
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: 65 63
DxO Color Depth Score (bits): 22.9 21.8
DxO Dynamic Range Score (evs): 11.1 11.4
DxO Maximum Effective ISO Score (iso): 639 696
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3872 x 2592 (10.0 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2)
4752 x 3168 (15.1 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2352 x 1568 (3.7 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, 14-bit RAW, sRAW1, sRAW2
Continuous-mode frames/second: 2.8 6.3
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: No Yes
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Canon EF/EF-S
Lens: n/a Canon EF 28-135mm f/3.5-5.6 IS USM
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: n/a 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) AF-dedicated CMOS Sensor, 9 cross-type AF points, f/2.8 rotated cross center point
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 SLR type; eye-level pentaprism, 95% coverage, 0.95x mag., 22mm eyepoint. -3 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.59x
Viewfinder Magnification (nominal/claimed): 0.95x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 920,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x 10.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 3200 3200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, 100 - 3200 in 1/3 or 1EV steps, H1=6400, H2=12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom, Kelvin 2800K - 10,000K
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot 35-zone Evaluative, Center-weighted, Partial (9%), Spot (3.8%)
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 Creative Auto, Green Zone, Portrait, Landscape, Close-up, Action, Night Portrait, Flash Off, User1, User2
Self Timer: 2 or 12 seconds 10 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless E-TTL II
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 13.0 m / 42.7 ft.
Flash Range Description: Depends on lens Lens aperture dependent
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket Hot Shoe, PC Sync
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC CF1 / CF2
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) 14-bit RAW, sRAW1, sRAW2
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 Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional
Connections (extended): DC input, wired remote N3-type push-in terminal, HDMI mini out
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.36 <0.3
Buffer size for RAW shooting in single shot mode (frames): 11 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.8 6.3
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 43
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): 0.17 seconds 0.13 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.090 seconds 0.120 seconds
Shutter lag (full AF, with flash): 0.24 seconds 0.24 seconds
Shutter Lag (prefocused): 0.089 seconds 0.063 seconds
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s 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
Startup Time: 0.4 seconds 0.3 seconds
Play -> Record Time: 0.5 seconds 0.5 seconds
Flash cycle time, full power: 3.1 seconds 1.9 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 640 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary BP-511/A, BP-512; BG-E2N Battery Grip
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeble
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary BP-511A Lithium-ion rechargeble
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: CD-ROM S-SW74/75 Digital Photo Professional, EOS Utility, ZoomBrowser EX and ImageBrowser
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows XP/Vista, Mac OS X.
Miscellaneous
Notes & Features: PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. 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).