71
IX. FEATURE COMPARISON CHARTS
EOS 50D Comparison Chart
EOS 50D EOS 40D Nikon D300 Pentax K20D Sony A700 Olympus E-3
Imaging Sensor
Effective Pixels 15.1
(4752 x 3168) 10.1 (3888 x 2592) 12.3 (4288 x 2848) 14.6 (4672 x 3120) 12.2 (4288 x 2856) 10.1 (3648 x 2736)
Image Sensor Canon CMOS CMOS CMOS CMOS CMOS
Sensor Size 1.6x 1.5x 1.5x 1.5x N/A
(approx. 2x that of 35mm)
Aspect Ratio 3:2 ratio 3.2 ratio 3.2 ratio 3.2 ratio 4:3 ratio
Cleaning System EOS Integrated Cleaning System Yes Yes Yes Yes
Image Processing
Processing Engine Canon DIGIC 4 Canon DIGICIII Nikon EXPEED PRIME BIONZ —
A/D Conversion
(bit depth)
14 bit 12 bit
(14 bit available atreduced
speed performance)
12 bit — 12 bit
RAW File Resolution
Options
RAW — 4752 x 3168
sRAW1 — 3267 x2178
sRAW2 — 2376 x1584
RAW — 3888 x 2592
sRAW1 — 1936 x1288
4288 x 2848 4672 x 3120 4288 x 2856 2648 x 2736
Dynamic Range Expansion
Yes, Highlight Tone Priority — Yes — —
Brightness Auto Correction Yes No Yes — Yes Yes
Peripheral Illumination
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, Memory Stick CF, xD
UDMA Compatibility Yes No Yes — Yes Yes
External Media
Connection
Yes
via Canon WFT-E3A unit
No No No No
Folder creation/
selection by user
Yes No Yes No Yes No
Image Quality Adjustment
White Balance range 2500 ~ 10,000K° 2500 ~ 10,000K° — 2500 ~ 9900K° 2000 ~ 14,000K°
White Balance Shift
±9 levels Blue/Amber Bias, ±9 levels Magenta/Green bias
Yes Ye s Yes Yes
White Balance Bracketing Yes Yes Yes Yes Yes
Image Quality Adjustment 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
Dioptric Adjustment -3 ~ +1 -2 ~ +1 -2.5 ~ +1.5 -3 ~ +1 -3 ~ +1
Interchangeable
focusing screens
Yes No Yes Ye s Yes
Live View Shooting
AF Modes Quick focus AF
Live contrast-based AF
Face-detectLive AF
Quick Focus Quick Live Quick No Qucik
Silent Shooting Yes No No No
Grid Display 2111 1
Remote Live View Tethered via USB
Wireless tethered via WFT-
E3a unit
Tethered using
optional software
No No
Autofocus
AF Points 9 — cross-type points sensitive to f/5.6
1 — Diagonal high-precision cross-type center point
51
15 cross-type points
11
9 cross-types
11
1 cross-type
11
All cross type
Brightness range EV -0.5 ~ 18 EV-1 ~ 19 EV0 ~ 21 EV0 ~ 18 EV -2 ~ 19
AF Modes One Shot AF, AI Servo AF, AI Focus AF One Shot, Servo One Shot, Servo One Shot, Servo One Shot, Servo
Fine Adjustment AF Microadjustment No Yes No No —
