Is it irresponsible to shoot an entire wedding to a single memory card?
Oct 18, 2019
Andy Dane
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A year or so ago, I wrote a blog post on why I switched from Nikon to Sony. A few people asked why I didn’t move to the Nikon mirrorless system. And the answer was simple, I didn’t want to risk shooting a wedding with a single memory card slot.
I shoot RAW to both cards at every wedding. And have a rigorous backup process once home too. I know lots prefer to have their backup as Jpeg, but if my main card failed, I’d still want to have the RAW files. That’s just personal choice. I just believe that shooting a wedding with no real-time backup whatsoever, is irresponsible when there’s no real need to.
Now, I didn’t think this was a particularly contentious issue. But it seems a few people think I’m wrong to take this approach. Several tried to explain to me why I was wrong. Now I’m going to take a look at some of this reasoning, and give my thoughts behind it.
1. Card failure is rare. Especially with XQD cards
Well, sure. Modern SD cards and XQD cards are fantastic. I’ve never actually had one fail while shooting. I have had them fail in the past, just not in a camera. But ok, I agree, that failure is rare.
But, it does happen right? Even if we agree that it’s rare, that’s not the same as impossible? And how would you explain to the couple that you lost their images because a card failed? You think they’ll be happy with “Oh, I dunno what went wrong, this hardly ever happens”.
2. Cameras didn’t always have 2 card slots, and people shot weddings on them
Again, I agree.
But there wasn’t an option to shoot onto 2 cards at the time. General consensus was to shoot on smaller cards when you only had one, and change them frequently throughout the day so that if one did go bad, you only lost part of the day.
But wouldn’t you rather just use two and not lose any of the day? Hmm, I think I would.
3. People shot on film for many years and they didn’t have a backup film
This is kinda the same as above isn’t it? Do you know what happened if something went wrong with that roll of film? They lost all the images.
4. I shoot on two cameras so if a card did fail I wouldn’t lose a whole segment of the day
Ok sure. I get that.
But I don’t know if everyone is the same as me or not, but I tend to prefer one focal length over another for portions of the day. So I might shoot more of the ceremony on my 35mm if I’m stood at the same end as the registrar/priest but I’ll be using an 85mm more for the portraits.
So if I had two single card cameras, and one failed, then yes – I would still have some shots of that part of the day. But not all, and I could lose 80% of a segment of the day if the “wrong” one failed. Maybe some people shoot more 50/50 than me.
But I’ll partly give in to this one, you could still piece together full coverage of a day. It might just not be your *best* coverage.
5. I tether to my phone and upload jpegs to my phone
This is a new one to me! So I dunno how I feel about it.. If it streams straight to the phone then that’s pretty cool and I guess that would act as a backup. But I’d still have concerns. How reliable is the connection? Will your phone battery last a whole day of shooting? What size are the jpegs that copy over?
If you are going to shoot on a single card
If you are going to shoot a wedding on card slot, there are ways to minimise the impact of card failure:
- Shoot on small cards and change them regularly, this will ensure if a card fails, you only lose a portion of the day, not the whole day.
- Back your cards up somewhere else if you get a break in the day. If you don’t want to take a laptop with you, look at something like the WD My Passport Wireless Pro – which has an SD card slot with button-activated backup process.
- Shoot on multiple cameras, spreading the risk. So if one does fail, you don’t lose a whole part of the day, just a snippet.
- Use reputable, big-name, card makes. I know any brand of card can fail, but sticking to those with a good reputation minimises that risk. I always used the Sandisk Extreme Pro cards in my cameras that took UHS-I cards. But I use Sony M cards in my Sony A7III (well, in slot 1, slot 2 still has the SanDisk in them).
Or you know, just get a camera with 2 slots…
Seriously though – If you are shooting on a single slot camera, or two, then do what you can to minimise the risk of losing images. Cards are reliable, but the damage that would be done to your brand and reputation if you were to lose a wedding, would be massive. And for me, simply not worth the risk.
But each of us have different risk appetites, and there’s never only one way to do things.
So what do you do?
What do you think? Do you shoot on one card and don’t see it as much of a risk, if so, how come? Have I missed any ways to mitigate the risks that I’ve missed? Or do you just not think it’s an issue at all?
About the Author
Andy Dane is a Norwich based wedding photographer with a love of travel photography and candid street/family photography. You can see more of Andy’s work on his website and follow him on Instagram, Facebook, and Twitter. This article was also published here and shared with permission.

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10 responses to “Is it irresponsible to shoot an entire wedding to a single memory card?”
I just picked up the Z6 and it will be my backup to the D750 for a while. Until I get either a second Z camera or newer DSLR, the duel card slots will lead my pro work.
I will say that XQD make me feel much better about reliability based on how you mount the card. CF simply seats into a pin interface and misplacing the cf while seating can corrupt the card. The XQD card reader I have is spring loaded and reduces risk of misseating the card. Interface is more secure also.
Yes. Recently had card corrupt. Got data back eventually but wasn’t heart attack situation as had back up. Second card small price to pay for piece of mind . No brainer.
Interesting I’d be scared to do so, but memory is becoming more reliable now so maybe. But I like the safety net.
Yes.
I wouldn’t. That’s why i have a backup on the dual sd card.
252go as a backup and either 4-5 64go or an other 256go card.
That’s the reason why I didn’t switch to nikon Z mount
I carry three bodies, four lenses, four or five flashes, a dozen batteries but hey, who needs a second memory card in the camera. Really? If the law to fasten a seat belt is abolished, I would still use a seat belt because it would be stupid not to.
Irresponsible? Yes. Have I done it? Also yes.
My 5D4 and Panny G9 have dual slots so if they’re there then it makes sense to use them.
Completely irresponsible.
I’ve personally never had any issues with CF cards as they’re built with more durability than SD cards. I have had SD cards corrupt on me before, the first time I used Disk Drill to recover photos from one of my SD cards (it was a backup to my CF) and then the second time a SD card messed up on me (after being the main card I was shooting video to) I had to use my PC to scan the drive for errors even though the camera and card were shut down and ejected properly. I was able to recover the files in both instances, and if I had set my camera to Slot 1 CF as the main I would have never lost those video files anyways. If they ever make a camera with dual CF slots we won’t ever have to worry about SD card backups again, that’ll be the day.