Base / Tripod Mount

On the bottom of the 550D is a metal tripod socket which is aligned exactly with the center line of the lens and the focal plane of the sensor. Otherwise there's little to report here. The small hole you can see to the lower left of the tripod socket is a location point for the optional grip.

Pop-up Flash

The EOS 550D's pop-up flash has the same specifications as its predecessor (and all models of this series back to the the EOS 350D) with a range of approximately 3.7 m (12.1 ft) at wide angle using the 18-55 mm kit lens or 2.3 m (7.5 ft) at telephoto (guide number 13). The camera utilizes Canon's E-TTL II flash metering system which combines subject distance information gathered from the lens with measurements taken from a brief pre-flash before the main flash to determine flash power. The built-in flash can sync up to 1/200s and has an electronic pop-up release, in Auto exposure mode the flash will raise itself when required.

AF Assist

As with previous 'Rebel series' cameras the EOS 550D uses its flash for AF assist. If you need to use AF Assist you must pop-up the flash which will fire a brief strobe of flashes (sometimes just one) to help the AF system to lock.

Flash Hot-shoe

The EOS 550D's hot-shoe can be used with Canon and third party flashes (although sync only on most third party units). The hot-shoe is E-TTL II compatible. Compatible flashes include the Speedlite 220EX, 270EX, 380EX, 420EX, 430EX, 430EX II, 550EX, 580EX, 580EX II, Macro-Ring Lite MR-14EX, Macro Twin Lite MT-24EX and Speedlite Transmitter ST-E2.

Lens Mount

The EOS 550D has a metal EF / EF-S lens mount which means that it can use the full range of Canon EF lenses as well as the designed-for-digital EF-S lenses. Because the sensor is smaller than a 35 mm frame all lenses are subject to a field of view crop (sometimes called focal length multiplier) of 1.6x, thus a 18 mm lens provides the same field of view as a 29 mm lens on a 35mm camera, a 50mm becomes equivalent to 80mm, etc.

Supplied In the Box

Items listed below are for the body-only version, but kits with the 18-55mm IS and 18-200mm IS are also offered.

The EOS 550D Kit is supplied as:

  • Canon EOS 550D Digital SLR body
  • Eyecup (attached to camera)
  • LP-E8 Lithium-Ion battery pack
  • LC-E8 Battery charger
  • Neck strap
  • USB Cable
  • Video Cable
  • CD-ROM: Canon Digital Camera Solutions Disk (Win/Mac)
  • Manuals / Reg. card