Card speed on the DRebel [Archive] - Canon Digital Photography Forums

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W_r_a_n_g_l_e_r

25th of October 2004 (Mon), 16:25

Hi,

I recently upgraded from an Olympus E-20 to the DRebel. One of my reasons was the very slow speed of the e-20 (espcially with that non-accelerated card slot).
Now I have a 512 Ultra II card. I kinda see an improvement, but it is definitely not the advertised 9MB/sec write speed.. I know that this is usually in "controlled envirnoments", but when I take 3mb pictures, the camera takes much more than 0.3 sec to write the picture. Is that because the DRebel takes more time to compress it? Shouldn't it be faster? What is the actual reason for that?

Also, read speed when downloading to a pc is far from 10MB/sec. It's true that I am using a generic card reader, but it doesn't make any difference if I connect the camera directly to the comp - still the speed is about 1-2MB/sec. My laptop is fairly fast (USB 2.0, HDD 5200rpm, P4 2.4), so I don't think this is what slows it down.

So my question is- what are some ways to increase the actual read/write speed?

Thanks guys!

FlipsidE

25th of October 2004 (Mon), 16:31

Someone correct me if I'm wrong, but to the best of my knowledge, the Dreb isn't built to take advantage of the speed of faster CF cards. I'm not sure about the 10D, but I know the 20D can truly take advantage of the faster CF cards.

FlipsidE

W_r_a_n_g_l_e_r

25th of October 2004 (Mon), 16:52

:( really... what a disappointment ..... but then why is it slow on the pc too...? :roll:

FlipsidE

25th of October 2004 (Mon), 16:54

The card shouldn't be slow on the PC unless you are using a USB 1.0 or 1.1 card reader. Then it would only be transferring at 1MB per second. If you are going from the camera, I would *guess* that it's using the same pipe it does to write to the card, so it would probably run at about the same speed.

FlipsidE

defordphoto

25th of October 2004 (Mon), 17:06