The Timing Tests

For detailed information about our testing methods, please read our Testing Procedures. Before we began testing the two cameras, we were generally expecting that they would perform about the same, since they are almost identical except for a few bells and whistles on the 10D. It was interesting to see the differences that we found.

*Please note: All tests done on this page were done with use of a 12X 256MB Lexar Type I Compact Flash Card

Shutter Lag

   Digital Rebel  10D
Shutter Lag (seconds) ~ .06 ~ .04

The shutter lag times looked very impressive overall. The 10D performed just slightly better than the Rebel, although the difference is too small to notice during casual shooting.

Startup Time

Our next test was to see how long each camera took to power up and get ready to shoot. We recorded three times and averaged them to find our results:

   Digital Rebel  10D
Startup Time (seconds) 2.76 2.14

While these times are not terribly slow, they seem longer than they really are when you are trying to take advantage of a picture opportunity.

Write Times

Write times were calculated from the moment the red "writing" light came on to the moment that it went out, indicating that the RAW file had finished transferring to the CF card. Again, we took three samples from each camera and averaged the times.

   Digital Rebel  10D
Write time RAW (seconds) 4.34 3.71
Write time JPG Large/Fine (seconds) 1.32 1.18

The times in our tests (except for the shutter lag test) could have different results depending on the speed of your CF card. We were using a 12X 256MB Lexar Type I card.

The Battery Resolving Fine Lines


View All Comments

  • Mday - Wednesday, July 7, 2004 - link

    how the hell are you going to compare these two cameras?

    This does not compare to what dpreview can offer.
  • GOSHARKS - Tuesday, July 6, 2004 - link

    i agree with shuttleboi, there are many sites out there that already provide excellent reviews from varying viewpoints (dpreview, imaging resource,, steves digicams, dcresource, etc). anandtech should focus on the things that the other large sites dont cover, what shuttleboi listed is a good start. Reply
  • shuttleboi - Tuesday, July 6, 2004 - link

    Although your review is nice, I recommend you focus your attention more towards computer issues related to digicams rather than the cameras themselves (which other professional websites already do extremely well). Some other issues might be: (1) There is a 3rd party hack to the 300D firmware that reveals features found in the more expensive 10D. Is this safe? Does it really work? (2) How well do portable storage devices work (that let you dump a memory card to disk)? Relibability? Performance? There is absolutely nothing on the web right now that fully evaluates the products on the market. Here is an expansive list: . (I'm waiting for the Nikon Coolwalker, but only because I don't trust companies whom I've never heard of.) (3) Software that manages/downloads photos. Photoshop Album? Breezebrowser? WTF?
  • opaper - Tuesday, July 6, 2004 - link

    And if you go to this digital camera review site you see that they found no diffrence in the resolution tests. I'm not saying that thier test is more valid than yours it's just a second opinion.
  • jliechty - Monday, July 5, 2004 - link

    For covering the basic differences between the two cameras, this was a good review. However, to me this was pretty old news, since this particular topic has been covered a gazillion places already in a gazillion different ways.
    And of course, any camera can be a "professional" camera if you use it to make money, but in the traditional definiton, the 10D comes close to being a pro camera. The Rebel is not. If you want to see some real pro stuff, google the 1Ds. Or if you'd like some real sticker shock, check the price of the Phase One P25 (then add $8K USD more for the medium format autofocus camera system to go with it). ;-)
  • stephencaston - Monday, July 5, 2004 - link

    #2, sorry if I didn't make it clear in the article, but on page 3 I did mention that I was using a Canon 50mm Macro lens for all tests. I will add another reference to the lens at the beginning of the image quality tests too.

    You make a good point though. The quality of the final picture lies in the quality of the lens used. Thats why I decided to use the same 50mm lens for all the tests on both cameras.
  • DerekWilson - Monday, July 5, 2004 - link

    I'm not the resident camera expert (hi Stephen), but these cameras are "prosumer" and not professional ... kinda scary isn't it :-)

    I liked the article too. Maybe I'm a little biased, but I thought it was both very thurough as well as easy to follow (especially not being a camera guy myself).
  • shuttleboi - Monday, July 5, 2004 - link

    How can you possibly have tests trying to show detail and colour and not even mention the lenses you use?? As any good photographer knows, the lens is far more important than the camera body, even for digital. Did you use the kit 18-55 EF-S for the 300D? That's a horrible lens. Unless you used the same lens for both cameras, your tests are meaningless. Reply
  • Araemo - Monday, July 5, 2004 - link

    Great Article, I was very pleased to see you guys are going to do digital camera reviews, since I'm going to be in the market for a camera soon. I hope to see reviews of more 'prosumer' or 'consumer' level cameras, rather than these $1000 cameras.. though I understand you probably get pretty much what you pay for. Reply

Log in

Don't have an account? Sign up now