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DPChallenge Forums >> Hardware and Software >> Canon 20D - Does anyone know about CF cards...
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03/31/2005 11:00:05 PM · #1
I am wondering if someone knows if I can use a 4GB or an 8GB card with this camera - or will it only utilize 2GB? Also I saw today that someone said you can use CFII cards?? Really?

Hmmmmm.... It must be a guy thing - bigger is betta...
03/31/2005 11:07:21 PM · #2
As long as it's Compact Flash Type I or II, Yes. Or even if it is a Microdrive. They all work.

20D Specs

Message edited by author 2005-03-31 23:08:11.
03/31/2005 11:07:45 PM · #3
CF comes in 3 varities - CF 1, 2, 3 - all relate to the physical thickness of the cards. 99% of them are of the CF2 type. your camera can take CF 1 or CF2.

I beleive you are limited to 2Gb. Most cameras run a DOS file system, FAT16, and FAT16 is limited to 2 Gb. FAT32 is the next step up and 130Gb or so is the limit on that.

There is something to be said for many smaller cards - if a card dies or is lost/mangled you only lose 512mb of photos instead of 512 of them.

Your camera can write fast enough to use the Ultra2 cards (5.6Mb/sec) so it is worth buying them over the plain jane cards.
03/31/2005 11:11:22 PM · #4
i have the same camera and a 512MB CF card and a 4GB hitachi Microdrive and it projects 32 pictures when i have the quality set at RAW + Large fine with the 512Mb card and when i put in the 4GB it projects 270 which is more than 8 times as much meaning i get the ful 4GB
03/31/2005 11:23:06 PM · #5
Originally posted by lemondster:

i have the same camera and a 512MB CF card and a 4GB hitachi Microdrive and it projects 32 pictures when i have the quality set at RAW + Large fine with the 512Mb card and when i put in the 4GB it projects 270 which is more than 8 times as much meaning i get the ful 4GB


Yep, the 20D can take bigger than 2Gb cards. I learned something new today!
03/31/2005 11:30:20 PM · #6
I am using Ultra II 2 GB - I also use 512 Extream cards - I was just wondering since I just remember reading it somewhere long ago that it would only use upto 2GB. But I agree - it's a lot of $ to go bigger - more cards is definitely safer ...

Thanks all
03/31/2005 11:33:31 PM · #7
I'm pretty sure that the 20D can handle 8Mb cards just fine, but why would you want to? Several 2Gb cards would be much cheaper (and safer), and each one holds about as many photos as you're likely to take on a busy day anyway.
03/31/2005 11:38:25 PM · #8
I was only wondering for things like wedding shoots .... When I shoot in RAW and JPG it eats memory like crazy - Maybe I just need to shoot RAW - but something about being able to just throw the card in and view them in the laptop when needed without having to convert them all ...
03/31/2005 11:54:09 PM · #9
Considering you have a laptop, a pair of 2Gb cards should be plenty. Just shoot with one card while the other one downloads. Even with RAW + JPEG, 4Gb ought to be enough storage to shoot until you have a pause to upload.
04/01/2005 12:11:34 AM · #10
Why don't you get a flashtrax? They can hold up to 40gig
04/01/2005 12:14:01 AM · #11
According to the Rob Galbrath CF card database the 20D can take up to at least a 4gb card. However the 1gb cards write the fastest.
04/01/2005 12:18:25 AM · #12
Originally posted by ebertdj:

I was only wondering for things like wedding shoots .... When I shoot in RAW and JPG it eats memory like crazy - Maybe I just need to shoot RAW - but something about being able to just throw the card in and view them in the laptop when needed without having to convert them all ...


DPP 1.6

that would be Digital Photo Pro, a canon software item, free. go to canonusa.com and look up the softwar for teh 1Ds Mk2 and DL the 'updater' for the DPP. It will DL many megs and in the end you will have some awesome software - it will open jpg and raw very fast, and let you modify the raw or convert to jpg, or even modify the jpg files. and it is fast to open and browse with.

yes, it will work with the 20D (works with my 300). Did i mention the price? FREE!
04/01/2005 12:18:40 AM · #13
Cards formated as FAT16 can only hold 2 GB, but the 20D apparently supports FAT32 as well. Which means--assuming there are no other limitations that I'm not aware of--if they ever make 2 TB (= 2048 GB) CompactFlash cards, they should work with the 20D. ;-)

James
04/01/2005 01:20:02 AM · #14
Originally posted by ebertdj:

Maybe I just need to shoot RAW - but something about being able to just throw the card in and view them in the laptop when needed without having to convert them all ...

Know how you feel. I use Photoshop's File Browser regularly which views the RAW file thumbnails - but it's still not as convenient as viewing them on the desktop. My standard setting is now RAW + Smallest JPEG.
04/10/2005 09:29:27 AM · #15
Originally posted by gwphoto:

Why don't you get a flashtrax? They can hold up to 40gig


Up to 80GB...
04/10/2005 03:54:14 PM · #16
Hi-ho,

I've used a sandisk Ultra II 66x 4Gb card with no problems...

The only gotcha is that you may have to format the card the first time you use it if the card has been used in a device that uses a format other than native FAT32.

The one I used had been used as a storage device for a windows XP laptop, and the format XP had used only showed up as 1Gb on the camera.. Re-formatting from the menu on the camera fixed it..

Cheers, Me.
04/10/2005 04:23:40 PM · #17
Originally posted by Prof_Fate:

There is something to be said for many smaller cards - if a card dies or is lost/mangled you only lose 512mb of photos instead of 512 of them.


A couple of people in this thread have voiced this sentiment. Wouldn't having more cards increase the likelihood of losing one of them at some point? And unless CF cards are likely to die without warning, I have trouble seeing the logic in "more cards are better" from anything other than a price standpoint. Has anyone here ever had a solid state (non-microdrive) CF card die on them?

I had not heard of a FlashTrax before, but they look like they'd be a much better investment than buying additional cards. How many people here have used these before and what has been your experience with them?
04/10/2005 04:47:23 PM · #18
Has anyone here ever had a solid state (non-microdrive) CF card die on them?

My one and only card, a 1GB SanDisk, died a couple weeks after got it. When I turned my camera on I got "CF Error" or something, and when I tried to re-format it with my camera I got an "Error 99". My PC (Linux) refused to format it also. The CF card, which has a 5 year warranty, is now in the mail back to SanDisk to be replaced.

James
04/10/2005 05:39:33 PM · #19
Originally posted by metoecus:

Has anyone here ever had a solid state (non-microdrive) CF card die on them?


As a general statement, CF cards are very reliable, but the point is that if you loose 4Gb of photos you're going to be having a much worse day than if you loose on ly 512Mb worth..

I have had one CF card die, a 256Mb Hitachi, it reported an error in my Powershot G5, so I formatted it and it came back as just over 90Mb. I used it like that for a couple of days, and then it refused totally work. I just lost some snapshots so no big deal...

Cheers, Me.
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