Specifications of the EOS 20D.

Article ID: ART160730 | Date published: 06/09/2015 | Date last updated: 08/18/2015


Specifications of the EOS 20D.


Type Digital, single-lens reflex, AF/AE camera with built-in flash
Recording Medium Type I and II CF card
Image Format 22.5mm x 15.0mm
Compatible Lenses Canon EF and EF-S lenses (35mm-equivalent focal length is equal to approx.1.6 times the marked focal length.)
Lens Mount Canon EF mount
Image Sensor
Type High-sensitivity, high-resolution, single-plate CMOS sensor
Pixels Approx. 8.25 megapixels (3520x2344)
Total Pixels Approx. 8.50 megapixels (3600x2360)
Aspect Ratio 3:2
Color Filter System RGB primary color filter
Low-pass Filter Located in front of the image sensor, non-removable
Recording System
Recording Format JPEG (except when Adobe RGB is set) supporting Design rule for Camera File system and RAW
Image Format JPEG and RAW (12-bit)
File Size (1) Large/Fine: Approx. 3.6 MB (3504x2336 pixels)
(2) Large/Normal: Approx. 1.8 MB (3504x2336 pixels)
(3) Medium/Fine: Approx. 2.2 MB (2544x1696 pixels)
(4) Medium/Normal: Approx. 1.1 MB (2544x1696 pixels)
(5) Small/Fine: Approx. 1.2 MB (1752x1168 pixels)
(6) Small/Normal: Approx. 0.6 MB (1752x1168 pixels
(7) RAW (3504x2336 pixels): 8.7MB RAW + Small/Normal: Approx. 9.3 MB RAW + Small/Fine: Approx. 9.9 MB RAW + Medium/Normal: Approx. 9.8 MB RAW + Medium/Fine: Approx. 10.9 MB RAW + Large/Normal: Approx. 10.5 MB RAW + Large/Fine: Approx. 12.3 MB * Exact file sizes depend on the subject and ISO speed.
File Numbering Consecutive numbering, auto reset
Color Space sRGB, Adobe RGB Two sets of standard parameters plus up to three sets of custom processing parameters (4 items with 5 settings each) as well as monochrome photography with custom parameters can be set.
White Balance
Settings Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Manual Color Temperature Setting and Custom
Auto White Balance Via image sensor data
Personal White Balance +/-3 steps in whole-stop increments
Color Temperature Compensation +/- 9 steps in 1-step increments
Type Eye-level pentaprism
Coverage Approx. 95% vertically and horizontally (Coverage against JPEG Large)
Magnification 0.9x (-1 dpt. with 50mm lens at infinity)
Eyepoint 20mm
Dioptric Adjustment Correction -3.0 - +1.0 dpt.
Focusing Screen Fixed, Precision Matte screen
Mirror Quick-return half mirror (Transmission: reflection ratio of 40:60. No mirror cut-off with lenses up to EF 600mm f/4)
Viewfinder Information AF (AF points, focus confirmation light), exposure (shutter speed, aperture value, manual exposure, AE lock, exposure compensation amount, AEB level, partial metering area), flash (flash ready, red-eye reduction lamp on, high-speed sync, FE lock, flash exposure compensation), warnings (exposure warning, improper FE lock warning, CF card full warning, CF card error warning, no CF card warning, busy), maximum burst for continuous shooting, shots remaining.
Depth-of-Field Preview Enabled with depth-of-field preview button
Type TTL-CT-SIR with a CMOS Sensor (TTL CrossType secondary image registration)
AF Points 9
AF Working Range EV 0.5-18 (at 20? C, ISO 100)
Focusing Modes One-Shot AF, Predictive Al Servo AF, AI Focus AF, Manual focus (MF)
AF Point Selection Automatic selection, Manual AF point selection
Active AF Point Indicator Superimposed in viewfinder and indicated on LCD panel
AF-assist Beam Intermittent firing of built-in flash
Effective Range Approx. 4.0m/13.1 ft. at center, approx. 3.5m/11.5 ft. off-center
Exposure Control
Metering System TTL full aperture metering with 35-zone SPC (1) Evaluative metering (linkable to any AF point) (2) Partial metering (approx. 9% of viewfinder at center) (3) Center-weighted average metering
Metering Range EV 1-20 (at 20? C with 50mm f/1.4 lens, ISO 100)
Exposure Control Systems Program AE (Full Auto, Portrait, Landscape, Close-up, Sports, Night Portrait, Flash Off, Program), Shutter-priority AE, Aperture-priority AE, Automatic Depth-of-Field AE, Manual Exposure, ETTL-II Autoflash
ISO Speed Range Basic Zone modes: Automatic
Creative Zone Modes Equivalent to ISO 100, 200, 400, 800, 1600, and ISO 3200 with ISO speed extension
Exposure Compensation AEB: +/-2 stops in 1/2- or 1/3 stop increments
Manual +/-2 stops in 1/2- or 1/3 stop increments (can be combined with AEB)
AE Lock Auto: Applied when focus is achieved in the One Shot AF mode with evaluative metering. Manual: Applied with AE lock button
Type Vertical-travel focal-plane shutter with all speeds electronically controlled
Shutter Speeds 1/8000 - 30 sec. (1/2- or 1/3-stop increments), bulb, X-sync at 1/250 sec.
Shutter Release Soft-touch electromagnetic release
Self-timer 10 sec. delay
Remote Control N3-type remote control
Built-in Flash
Type Auto pop-up E-TTL II autoflash (retractable)
Guide Number 13 (ISO 100m), 43 (ISO 100 ft.)
Recycling Time Approx. 3 sec.
Flash-ready Indicator Flash-ready indicator lights in viewfinder
Flash Coverage 17mm lens angle covered
Flash Metering System E-TTL II autoflash
Flash Exposure Compensation +/-2 stops in 1/2- and 1/3 stop increments
External Speedlite
EOS External Flash or Dedicated Speedlites E-TTL II autoflash set with EX-series Speedlites
PC Terminal Provided
Drive System
Drive Modes Single frame, Continuous, Self-timer
Continuous Shooting Speed Approx. 5 fps (at 1/250 sec. or faster speeds)
Max. Burst During Continuous Shooting 23 shots (Large/Fine JPEG) or 6 shots (RAW or RAW+JPEG)
LCD Monitor
Type TFT color liquid-crystal monitor
Screen Monitor size 1.8 in.
Pixels Approx. 118,000 pixels
Coverage Approx. 100% for JPEG images
Brightness Control 5 levels
Image Display Format Single image, 9-image index, Magnified zoom, Auto play, Auto play right after shooting
Highlight Alert In the single image and single image (Info) modes, any overexposed highlight areas with no image information will blink
Image Protection and Erase
Protection Single images can be protected or unprotected
Compatible Printers Canon CP Printers, Canon BJ Printers and PictBridge printers for direct printing from the camera
Settings Print quantity, style (image, paper, borders, date), and trimming
Menu Categories Shooting menu: Red Playback menu: Blue Setup menu: Yellow
LCD Monitor Language 12 languages provided (English, German, French, Dutch, Danish, Finnish, Italian, Norwegian, Swedish, Spanish, Simplified Chinese, and Japanese)
Firmware Update Update possible by the user
Power Source
Battery One Battery Pack BP-511A/BP-511/BP-512/BP-514AC power can be supplied via the optional DC coupler.
Battery Life At 68? F / 20? C: 650 (No Flash), 500 (50% Flash Use), At 32? F / 0? C: 500 (No Flash), 400 (50% Flash Use). These figures apply when a fully-charged Battery Pack BP-511A/BP-511/BP-512/BP-514 is used.
Battery Check Automatic
Power Saving Provided. Power turns off after 1, 2, 4, 8, 15, or 30 min
Dimensions and Weight
Dimensions (W x H x D) 5.7 x 4.2 x 2.8 in. / 144 x 105.5 x 71.5mm
Weight 24.2 oz / 685 g (body only)
Operating Environment
Operating Temperature Range 32 - 104? F / 0 - 40? C
Operating Humidity Range 85% or lower
Note: All the specifications above are based on Canon's testing standards. The camera's specifications and physical appearance are subject to change without notice.



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