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IX. FEATURE COMPARISON CHARTS
EOS 50D Comparison Chart
EOS50D EOS40D Nikon D300 PentaxK20D SonyA700 OlympusE-3
Imaging Sensor
Effective Pixels 15.1 (4752 x3168) 10.1 (3888 x2592) 12.3 (4288 x2848) 14.6 (4672 x 3120) 12.2 (4288 x2856) 10.1 (3648 x2736)
Image Sensor Canon CMOS CMOS CMOS CMOS CMOS
Sensor Size 1.6x 1.5x 1.5x 1.5x N/A
(approx. 2xthat of 35mm)
AspectRatio 3:2 ratio 3.2 ratio 3.2 ratio 3.2 ratio 4:3 ratio
Cleaning System EOSIntegrated Cleaning System Yes Yes Yes Yes
Image Processing
Processing Engine Canon DIGIC4 Canon DIGICIII Nikon EXPEED PRIME BIONZ —
A/D Conversion
(bitdepth)
14 bit 12 bit
(14 bitavailable at reduced
speed performance)
12 bit — 12 bit
RAWFile Resolution
Options
RAW— 4752 x 3168
sRAW1 — 3267 x2178
sRAW2 — 2376 x1584
RAW— 3888 x 2592
sRAW1 — 1936 x1288
4288 x2848 4672 x3120 4288 x 2856 2648 x2736
DynamicRange Expansion
Yes, HighlightTone Priority — Yes — —
BrightnessAuto Correction Yes No Ye s — Ye s Ye s
PeripheralIllumination
Correction
YesNoNoNoNoYes
Noise Reduction Long Exposure
High ISO (4 levels)
Long Exposure
High ISO
Long Exposure
High ISO (3 levels)
Long Exposure
High ISO (4 levels)
Long Exposure
High ISO (3 levels)
Long Exposure
High ISO
Recording Media
Media Type CF CF SD, SDHC CF, MemoryStick CF, xD
UDMA Compatibility Yes No Yes — Yes Yes
ExternalMedia
Connection
Yes
via Canon WFT-E3A unit
No No No No
Folder creation/
selection byuser
Yes No Yes No Yes No
Image QualityAdjustment
White Balance range 2500 ~ 10,000K° 2500 ~ 10,000K° — 2500 ~ 9900K° 2000 ~ 14,000K°
White Balance Shift
±9 levelsBlue/Amber Bias, ±9 levelsMagenta/Green bias
Yes Yes Yes Yes
White Balance Bracketing Yes Yes Yes Yes Yes
Image QualityAdjustment Picture Styles, 6 + 3 user sets Yes, 4 Picture Controls No Yes Yes
Viewfinder
Coverage 95% 100% 95% 95% 100%
Magnification 0.95x 0.94x 0.95x 0.90x 1.15x
Eye-point 22 19.5 — 25 20
DioptricAdjustment -3 ~ +1 -2 ~ +1 -2.5 ~ +1.5 -3 ~ +1 -3 ~ +1
Interchangeable
focusing screens
Yes No Yes Yes Ye s
Live View Shooting
AFModes QuickfocusAF
Live contrast-based AF
Face-detectLive AF
QuickFocus QuickLive Quick No Qucik
SilentShooting Yes No No No
Grid Display 2111 1
Remote Live View Tethered via USB
Wirelesstethered via WFT-
E3a unit
Tethered using
optionalsoftware
No No
Autofocus
AFPoints 9 — cross-type pointssensitive to f/5.6
1 — Diagonalhigh-precision cross-type center point
51
15 cross-type points
11
9 cross-types
11
1 cross-type
11
Allcrosstype
Brightnessrange EV-0.5 ~ 18 EV-1 ~ 19 EV0 ~ 21 EV 0 ~ 18 EV-2 ~ 19
AFModes One Shot AF, AI Servo AF, AI Focus AF One Shot, Servo One Shot, Servo One Shot, Servo One Shot, Servo
Fine Adjustment AFMicroadjustment No Yes No No —