Date 04.19.10
File Size 3.8 KB


Software Development Kit

The Canon EOS Digital Camera Software Development Kit (EDSDK) enables developers to integrate select Canon cameras directly into their software application solutions, giving them access to remote camera control and communication functionality of the camera. There are two versions of the EDSDK compatible with Windows or Macintosh.

The Software Developer Kit is provided free of charge and can be found at To learn more please visit the Canon Developer Community site and register to download Canon’s SDKs.



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Type and Major Components

Type 35mm focal plane shutter SLR (Single-Lens Reflex) autofocus/autoexposure camera with built-in motor drive and retractable flash.
Compatible Lenses Canon EF lenses
Lens Mount Canon EF mount (electronic signal transfer system)


Type SLR-type, eye-level roof prism mirror
Picture Coverage 90% vertical and horizontal coverage of actual picture area
Magnification 0.70x magnification with 50mm lens at infinity
Dioptric Adjustment -2.5 - +0.5 dpt. Standard: Adjusted to -1. (18.5mm eye relief)
Focusing Screen Fixed, full-surface new laser-matte screen marked with focusing points.
Mirror Quick-return half mirror
Viewfinder Information Shutter speed (If unsuitable, blinks at 2 Hz as a warning.), Aperture (If unsuitable, blinks at 2 Hz as a warning.), AE lock/FE lock Indicator(Partial metering at center.), Exposure level scale with dot indicators in 1/2-stop increments. (+/-2 stops), Flash ready light (blinks at 2 Hz if flash range is ineffective during FE lock), High-speed sync indicator (FP flash), In-focus indicator (Blinks at 2 Hz if focus cannot be achieved.)
Depth-of-Field Preview Enable with depth-of-field preview button.


Type TTL-SIR (Secondary Image Registration) CMOS sensor
Focusing Point Selection The focusing point can be selected by camera (Automatic) or by user(manual).
Focus Modes 1. Autofocus: One of the following two Af modes is set automatically depends on the picture taking mode. The shutter does not release until focus is achieved.
a. One-Shot AF: Autofocus looks when focusing is achieved.
b. Predictive AI Servo AF: Continuously tracks subject movement and achieves focus before the exposure starts.
C. AI Focus AF for automatic switching between One-Shot Af and predictive AF for moving subjects.
2. Manual Focus: Setting the lens' focus mode switch to MF enables manual focusing with the focusing ring.
Focus Operation Autofocus is activated by pressing the shutter button halfway.
AF Working Range EV 1-18 ( at ISO 100)
AF Assist Method Beam automatically emitted when necessary and aimed at the area covered by the active focus point.

Exposure Control

Metering Modes 1. TTL full-aperture metering using a 25 zone SPC (Silicon Photocell). Three metering patterns available: a. 35-zone Evaluative Metering. b. Central partial metering which covers approximately 9.5% of finder area. c. Center weighted average metering (Set automatically in M mode.)2. E-TTL: 7 point, 35-zone preflash metering using Speedlite 550EX, 420EX, or 220EX.3. A-TTL, TTL Flash Metering: off-the-film, 2-zone A-TTL autoflash linked to focusing points, 3-zone TTL autoflash metering
Metering Range EV 1-20 (with 50mm f1.4 lens at ISO 100)
Exposure Modes 1. Intelligent program AE with variable shift.2. Shutter speed-priority AE3. Aperture-priority AE4. Auto DDEP5. Full Auto (Intelligent program AE, unshiftable)6. Programmed Image Control Modes: Portrait, Landscape, Close-up, Sports, Night Portrait and Flash Off7.E-TTL program flash AE8.A-TTL program flash AE9. TTL program flash AE10. Metered manual
Multiple Exposure Up to 9 exposures can be preset. Automatically clears upon completion. Cancellable midway.
Exposure Compensation 1. Auto exposure Bracketing (AEB) up to +/-2EV in 1/2 steps2. Manual exposure compensation up to +/-2EV in 1/2 steps.3. Unavailable in the Full Auto and Programmed modes.


Type Vertical-travel, focal plane shutter with all speeds electronically controlled. Front and rear shutter curtains both have dedicated electromagnetic release control. (Curtain speed: 6.3ms/24mm)
Shutter Speeds 30 to 1/2000 sec., Bulb; X-sync at 1/90. Can be set in 1/2 stop increments.


Type Built-in, retractable TTL autoflash head in the pentaprism. Auto pop-up and serial-controlled.
Guide Number 39 ft. / 12m (ISO 100)
Flash Coverage Angle Covers the angle of view of 28mm lens.
Flash Duration 1ms or less
Recycling Time approximately 2 seconds. The icon lights in the viewfinder when ready
Color Temperature Equivalent to daylight
Shooting Distance Range
Red-Eye Reduction Red-Eye Reduction lamp lights while the shutter button is pressed halfway and focusing and metering are achieved.

Film Transport

Film Loading Automatic prewind system. After film positioning and back cover closure, the film automatically winds to the 1st frame.
Film Speed Setting ISO 25-5000 automatically set in 1/3 step increments according to DX code. Can also be set manually from ISO 6-6400 in 1/3 step increments.
Film Transport Single-frame advance or continuous advance set automatically according to the picture-taking mode.
Film Wind One of two modes can be set: Single Frame and Continuous. (In Continuous Mode, with AF locked, approximately 2.5 fps and in AI Servo AF Mode, approximately 1.3 fps.)
Film Rewind Automatically rewinds at the end of roll. Midroll rewinding possible.


Shooting Modes Full Auto, Portrait, Landscape, Close-up, Sports, Night Scene, Flash off, Intelligent Program AE, Shutter Speed-Priority AE, Aperture-Priority AE, Manual Exposure, Automatic Depth-of-Field AE
Continuous Shooting Approx 2.5 images/sec

Power Source

Battery Two CR2 lithium batteries housed inside the camera grip
Battery Check Battery level is displayed by the battery level indicator on the LCD panel. Battery level is indicated in one of four levels.
Shooting Capacity


Size (W x H x D) 5.12 x 3.46 x 2.52 in./ 130 x 88 x 64mm
Weight 12.9 oz. / 365g without batteries


Date/Time Imprint (EOS Rebel Ti Date only) Day/Month/Year, Month/Day/Year, Year/Month/Date, Date/Hour/Minute


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