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Renaud Labracherie Published on April 12, 2010
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  • Sensor CMOS 18 Mpx, APS-C (x1.6) , 5.5 Mpx/cm
  • Lens NAx 18-135 mm f/3.5 -5.6
  • Stabilisation Depends on lens
  • Viewfinder Reflex
  • Screen 7.6 mm, not TN, 1040000 dots, 3:2, Not touch-sensitive
  • Sensitivity (ISO range) 100 - 6400 ISO ext. 100 mm
While its competitors are stuck at 14 Megapixels, or more often, at 12 Megapixels, Canon has produced a digital SLR that it's hoping will prove its supremacy in terms of both resolution and HD video.

To do it, the 550D has an 18 Megapixel APS-C sensor with 1080p HD video, which is enough to leave some other manufacturers quaking.  But who actually needs that many pixels?


The 550D has relatively compact frame which, although it's made entirely from plastic, has a nice finish that's easy to hold.  The handle might seem a little stingy if you've got big hands, but it's covered in rubber so the grip is good.  Canon has opted for a fairly traditional set of controls and you'll find all of the buttons that you're used to: an ISO button, a scrollwheel and directional arrows to give easy access to white balancing, autofocus and the different image modes.  Anybody that holds the viewfinder to their left eye will likely find the exposure correction button a little too close to their nose for comfort.

Canon 550D test review

A 'Q' (for Quick Menu) button allows you to adjust the main settings like the quality, automatic brightness correction and exposure meter directly on the screen.  The graphical interface is as easy to use as ever, with clear menus that are sensibly organised into tabbed sections.  All that's missing is a contextual help system to help beginners find their way, which is something that all of Canon's main competitors offer.

The LCD screen itself is absolutely excellent, and has a new 3:2 aspect ratio that sits better with the format of the photos that this camera produces.  Measuring 3'', it has room for 1 040 000 pixels.  The viewing angles are very good, but the anti-glare treatment isn't very fictive, especially in bright sunlight.  A pair of sensors just below the viewfinder turn the display off when the camera is pressed up to your face.  The viewfinder itself is comfortable, with a good view, despite the 0.87x magnification, which is a long way behind the 550D's main rivals the Nikon D90 (0.94x) or Pentax K-7 (0.92x).


Pas de problème de ce côté, le 550D affiche de belles performances malgré une définition en augmentation. La mise sous tension est quasiment instantanée et le mode rafale atteint les 3,7 i/s annoncées. En pleine lumière, l'autofocus s'avère très réactif et dispose de 9 collimateurs pour couvrir une bonne partie du centre de la visée. En basse lumière, le système AF devient plus hésitant et manque parfois de précision (nous avons noté encore quelques mises au point hasardeuses). En mode visée directe, le système autofocus par détection de contraste reste toujours assez lent, même si Canon semble avoir optimisé la recherche du point. Ce mode est très efficace pour une nature morte par exemple, mais perd de son intérêt pour les autres situations.

Image Quality

Canon EOS 550D

With an 18 Megapixel APS-C sensor, we could have expected the worst ... but the 550D actually did very well.  This is a digital SLR that can cope with electronic noise right up to 1600 ISO, and you won't hesitate before reaching for the ISO button to skip up to 3200 ISO or 6400 ISO.  What grain there is isn't coloured and has a rather random structure.

It's best to have good quality lenses to make the most of the capabilities of such a powerful sensor.  We still tried it with the new 18-135 mm f/3.5-5.6 IS and the results were pretty good.  We noticed some purple fringing creeping into areas with a lot of contrast, but our test photos generally had a lot of detail.  The exposure meter is pretty reliable, and by default, the colours are rather warm.


The 550D's last main strength is its excellent video mode (see inset) which is a very welcome addition to the camera's spec.  The autofocus might not be up to it, but if there isn't too much movement, the 550D is a great camcorder that allows more than enough room to play with depth of field.
Video Mode: 1080p HD on an SLR
One of the 550D's most interesting features is its HD video mode, which is equivalent to the one found on the 7D, much further up the EOS range. You can record in PAL at 24 or 25 fps if you use 1080p, or at 50 fps if you use 720p. In both cases, there's a progressive scan (so you get the whole frame each time), and you can choose either between automatic or, more intriguingly, manual mode. In the latter you can adjust the exposure, shutter speed and ISO sensitivity to your heart's content.

The Canon EOS 500D is still a digital SLR, though, and has the usual problems: a slightly tricky video mode, focus only available on screen and a slow autofocus that it's so loud you can't use it. A few other useful extras are missing, including stereo audio or a headphone jack to listen to what you're recording. It depends on what you actually use it for, but we'd say the dedicated camcorder has got plenty of time in yet ...


  • Electronic noise well handled up to 3200 ISO
  • 720p and 1080p HD video
  • Good quality LCD screen
  • Great battery life
  • Easy to use with great menus


  • Autofocus struggles in low light
  • No rotating screen
  • Optical viewfinder a little narrow
  • Grip quite qmall
  • No autofocus assist lamp


The Canon EOS 550D is a real success: the photos are good, electronic noise is well-handled and the video mode won us over (apart from when focusing). Canon didn't have to go for 18 Megapixels--but it's used them very wisely.
4 Canon EOS 550D 18 - 135 mm DigitalVersus 2010-04-12 00:00:00
Compare: Canon EOS 550D 18 - 135 mm to its competitors
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