How important are dual card slots?

On a relevant note, over the past few months I've become much more aware of the importance of purchasing authentic sd cards. I had no idea there were so many counterfeits out there, especially on Amazon.

I recently purchased two Sandisk Extreme Pro 64gb UHS-1 cards from my local dealer at over 50% off. Inside the packaging was a code to get their recovery software for free. So that is one extra layer of comfort that comes with purchasing an authentic card.
 
Haven’t used the second slot yet on my x-t3
 
It matters if one of the slots fails ---which happened to me recently. I was real happy that I had two.
 
Lots of really interesting replies and perspectives here - thanks to everyone for the contributions!

Increasingly I think I'll plan on RAW + JPEG, rather than writing RAW to both cards. Will save me buying more memory cards and there will still be some kind of backup if the worst comes to the worst!

My latest SanDisk purchase also came with the free retrieval software - will definitely avail myself of that too...

Jonathan
 
It matters if one of the slots fails ---which happened to me recently. I was real happy that I had two.
The slot failed? How did you troubleshoot it to the slot? Did you get it fixed?
 
On a relevant note, over the past few months I've become much more aware of the importance of purchasing authentic sd cards. I had no idea there were so many counterfeits out there, especially on Amazon.

I recently purchased two Sandisk Extreme Pro 64gb UHS-1 cards from my local dealer at over 50% off. Inside the packaging was a code to get their recovery software for free. So that is one extra layer of comfort that comes with purchasing an authentic card.
At least you know the software is genuine
 
Who else finds it important to carry a spare camera?
Depends on the situation: I always bring a second body and a redundant lens to important events and vacations. I also carry at least two redundant off-camera storage devices during longer trips.
 
How common are SD card errors in practice? And of those, how often is the data truly irretrievable?
I never had a SD card fail, but I once lost some nice shots due to user and/or external card reader error, when I transferred files from the card to storage. It hasn't happened again, but the second card slot on the X-T2 gives me peace of mind.

Also, I can format the card in the first slot immediately after transferring files to the computer, before backing up the computer, knowing that there is a copy in the secind slot.
 
the second I didn't thread on correctly so stayed in the can while I took 36 pictures on nothing. I've no pictures to remember that day by, only the feeling of shame..
Been there, done that :-x
 
It doesn't really effect me. You see I shoot with my XT2 tethered to my desktop all the time. The only problem I face in the field is if my generator breaks down. But thats ok. I carry a backup generator Plus spare fuel and a decent tool kit. I wasn't prepared for a punture on my wheelbarrow once. Had to call off my kilimanjaro ascent .
 
I lose more SD cards down drains or drown them in cups of coffee than I do in the camera. I also had a defective card reader on a previous laptop that scrambled the SD card I inserted. The camera was unable to even reformat it.

So it's still nice to have a backup when this kind of stuff happens, as it will.
 
I lose more SD cards down drains or drown them in cups of coffee than I do in the camera. I also had a defective card reader on a previous laptop that scrambled the SD card I inserted. The camera was unable to even reformat it.

So it's still nice to have a backup when this kind of stuff happens, as it will.
Yikes!
 
Hi Jonathan,

Never had any issue with any card since I started digital photography 10 years ago.

The X-T2 that I brought earlier this year is my first camera with dual slot.

Personally I set card1 RAW+JPG and card2 video. Both are fast 64Go.

I love this setup as I do not have to change cards. Both are secured into the camera.

Hope that will help...
 
I lose more SD cards down drains or drown them in cups of coffee than I do in the camera. I also had a defective card reader on a previous laptop that scrambled the SD card I inserted. The camera was unable to even reformat it.

So it's still nice to have a backup when this kind of stuff happens, as it will.
 
Risk assessment requires evaluating both the likelihood of a card failure AND an assessment of the potential impact if one was to fail. While the probability is low, the impact with today’s mega capacity cards can be catastrophic for a pro shooting a critical event. This also partly explains why dual cards is a more recent trend.
 
Risk assessment requires evaluating both the likelihood of a card failure AND an assessment of the potential impact if one was to fail. While the probability is low, the impact with today’s mega capacity cards can be catastrophic for a pro shooting a critical event. This also partly explains why dual cards is a more recent trend.
And also why I don't use large cards.
 
Risk assessment requires evaluating both the likelihood of a card failure AND an assessment of the potential impact if one was to fail. While the probability is low, the impact with today’s mega capacity cards can be catastrophic for a pro shooting a critical event. This also partly explains why dual cards is a more recent trend.
And also why I don't use large cards.
Multiple 35 mm rolls instant of the mega backs saved a lot of peoples butt when there was a screw up in the dark room.

Cards are cheap - especially low capacity cards. And you know what they are a lot more unlikely to fail.
 
It doesn't really effect me. You see I shoot with my XT2 tethered to my desktop all the time. The only problem I face in the field is if my generator breaks down. But thats ok. I carry a backup generator Plus spare fuel and a decent tool kit. I wasn't prepared for a punture on my wheelbarrow once. Had to call off my kilimanjaro ascent .
The solution is to take you wheelbarrow tier to you local tire dealer and have it foamed. I had to do that when I lived in Denver and had a bunch of "goathead" pods get into the tire so it would not hold air and puncture any tube. Once foamed - it will never go flat.

So that is the ultimate back up.

--
Truman
www.pbase.com/tprevatt
 
I lose more SD cards down drains or drown them in cups of coffee than I do in the camera. I also had a defective card reader on a previous laptop that scrambled the SD card I inserted. The camera was unable to even reformat it.

So it's still nice to have a backup when this kind of stuff happens, as it will.
I have accidentally put sd card cf cards and thumb drive into washer machine for wash and they all worked fine after cleaning.. Only the 1gb micro drive didn't survive..which was costly back then.
To be fair, it was a compact flash card that got drowned in coffee. I think SD cards would probably survive, but those tiny pinhole contacts on CF cards are a nuisance if they get gunk in them.

I remember microdrives. They were cool in a sort of 'how did they do that' kind of way, but they were a bit clunky as well.
 

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