05-28-2025 10:41 AM
Hi. I sold off my 1Dxiii camera but forgot to transfer the photos to my PC. I can buy another card reader, but i dont like accumulating unwanted electronics. I am about to receive my new R1 camera in a few days.
1 ) I am wondering if the Sandisk Extreme Pro CF Card that came with the 1Dxiii will work in the R1. If it doesn't (I don't expect it to), then
2) If it is not read by the R1, but if the card is compatible with R1, then if i transfer using a card reader teh 1Dxiii pics to a PC then can i use the same card in R1 with this pictures transferred back with any format change?
3 ) In general, for firmware updates etc. is a card reader needed? I never did one with 1Dxiii as i owned it for too short a time.
Thanks for looking
05-28-2025 11:07 AM
EOS-1DX Mark III and EOS R1 both use the same type of CFexpress Type B cards.
1. Yes the CFexpress card from the EOS-1D X Mark III will work in the EOS R1. I suggest you make sure you have transferred the EOS-1D X Mark III images from the card to another device, and then format the card in the EOS R1.
2. It is possible the EOS-D X Mark III pictures will be displayed on the EOS R1, but this is not a certainty. Long term storage of the images on the card in the camera is a bad idea, they should be backed up in multiple places not solely left of the camera memory card.
3. A card reader is invariably the fastest way to transfer lots of images / movies from the camera to the computer. The EOS R1 can have firmware updated with the EOS Utility software on a PC or Mac, as well as via the camera connect app on iOS or Android devices. You don't need a card reader for firmware updates, but I generally find it easier as I am so familiar with the process having been doing it for more than 25 years with the card method.
05-28-2025 12:10 PM
Given how cheap a card reader is and how quickly it would solve the problem, you're not really accumulating "unwanted" electronics. A card reader is just a very smart thing to have on hand period.
05-28-2025 02:21 PM
For several years now I have always preferred using card readers. I use external drives on my Mac (LaCie brand) that have built-in card readers for two types of cards. Last set of drives had slots for both Compact Flash and SD (UHS-I) and the current ones have slots for CFexpress and SD (UHS-II).
As mentioned earlier, standalone card readers can be very inexpensive.
Side note: when importing images/video from a card, the actual speed of the copy will be limited by the slowest link in the chain. That could be the card itself, how you're connecting to your computer (e.g. slower USB, or faster Thunderbolt 3/4) as well as your computer's drive speed.
You may find that your computer's setup would provide significantly faster copies than if connecting your camera. On my Mac with that external drive connected to Thunderbolt 4, photos come in to Lightroom extremely fast via CFexpress media (2.0 Type B).
05-28-2025 02:27 PM
"You may find that your computer's setup would provide significantly faster copies than if connecting your camera."
Precisely why I love the card reader plugged into my Mac.
05-29-2025 03:01 AM
Many thanks to each of you for your detailed and clear replies. A standalone card reader is not very expensive and I’ll buy one again. I just wish I had been a little more vigilant while selling off the 1DXiii…
05-29-2025 05:24 AM
Hi Brian. Thanks for your reply. I asked about transferring back to my PC not because I only keep it stored on my card but because unexpectedly the CF card has turned out to be my Fort Knox.
From my PC, ever since I activated MS One drive for automatic sync (which it never did for 100% of the photos, and I now do manually), I started seeing photos deleted from my PC hard drive. These are lost treasures as far as those taken with earlier cameras were concerned. But those which were taken by 1Dxiii are there at least in the CF card so I can re transfer those back to my PC which along with 2 cloud storage’s are my main storages. Thanks.
05-29-2025 08:33 AM
I store redundantly on Google drive and an external, plug-in hard drive.
I use Google Drive because previously--and a LONG time ago--I had a Western Digital external hard drive that failed and that was vexing.
Given how cheap CF cards are, some redundant storage with them could be another layer for me.
When you lose photos, you become paranoid. I'd never thought of using CF cards. Interesting possibility.
05-29-2025 08:12 PM
I suggest you abandon One Drive and use Goodsync.
05-29-2025 08:28 PM
"I suggest you abandon One Drive and use Goodsync."
^^THIS^^
In the job that pays the bills consistently--teaching--our district first enabled Google Drive that were school accounts--not private--then they got the bright idea after a few years to move us to One Drive and teachers voted with their feet: to stay with Google Drive.
I am a technology "mentor" at our school. I did a dive in to be a user so as to answer questions. I despised One Drive from the get go. Now, I am NOT advocating for Google Drive--I like it--but I'd like to know what Goodsync is and what you like about it.
Yes, I can Google it, but I suspect your insights would be more useful.
Thus, if you have time, I will be all ears.
Thank you in advance for your response; I learn here on a daily basis from the contributions of many.
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