I shouldn't have called you a name. I'm still good on calling your initial response as blithering idiocy, though. Even the most intelligent people can do and say idiotic things.
Your first response to my post was idiocy. The bottom line is that redundancy is better than non redundancy. There is not rational argument against that. It doesn't cost that much to add it. And it shouldn't take a "pro" camera classification to get it. My D was never marketed as a "pro" camera, but it has dual card slots. It's saved my bacon a few times. Only one failure, but the real saving of bacon has been human failure, ie MY idiocy.
A couple of times I was an idiot and accidentally culled keepers. No biggie, my redundant card saved me. One time in a fit of idiocy, I handed my card with about images on it to someone and we fumbled it, dropping it into a storm drain. No biggie, I had all the images on my secondary card. Human error is the very reason your software asks you to confirm if you really want to delete that file or close a program without saving. The point being is that in this day in age, there is no rational reason for camera manufacturers to not offer the option of a second card slot.
Chastising those who reasonably call it out is idiocy. I still disagree in the point that failure is not frequent enough to justify the production cost in a prosumer camera. We will just have to leave it as we both think the other is smoking something.
Well, It happened to me. Twice with an sdcard and once with the older memory card. Two times, the card failure wasn't of great significance but once I was after a school trip to Oxford. We visited a lot of colleges and it really hurt that my card fell apart. In the case of Nikon Z7, probably the far more interesting polling question would be in order to get 2 card slot Z7, would you trade with 1 size and weight to get dual QDX? Frankly, I would rather keeping existing Z7 size and weight and benefit of QDX instead of two card slots.
If enough people are truly concerned about having redundant backup, here is market for someone to make QDX version of Eye-Fi. How much size and weight difference would there be with an added QDX? A few grams and at most a centimeter or two? Honestly I don't know, but I can't imagine it being more than grams.
For me, an extra grams would make no difference. Personally, I would absolutely sacrifice some FPS for redundancy. Just having the option would be advantageous for both end user and for Nikon's marketing. They tend to fail most during high intensity writiting shooting video, shooting bursts of stills.
In each case the card becomes unresponsive and camera claims card error. Nothing short of formatting it can repair it. Data lost forever. Lexar has been good at replacing them due to lifetime warranty, but I much prefer my dual CF card setup. A simple reformat will not destroy the data for good. It's astonishing to see how much "deleted" data one can extract with the help of rescue software.
I am wondering how many of those that rant about single memory card slot cameras, do not have a tested and reliable backup strategy on their computer. I similarly wonder how many people who argue that a single slot is no big deal also believe that not backing up your data once it's off the memory card is no big deal as well.
Those who regularly back up their data on a computer probably realize the importance of redundancy. It's actually kind of a no-brainer. Two cards in three years. Each managed to record only about 15, before dying.
Data on them could not be recovered and they could not be reformated either. They just died. My opinion is that dual card slots is a bandaid for the bigger problem: SD Cards aren't very professional. Their failure rate is pretty high for something that would get used in a professional capacity.
Even if his data is skewed, that's still way off from yous expect from a high quality storage solution. To compare, Backblaze reported a 1. They might have had only one out of hundreds fail over the years.
SD have also been around for a long time and many of those were most likely old hardware. His numbers are all but useless form a statistical comparison standpoint in regards to how the new cards perform. Having 2 cards slot is not enough. You need to also insert the second card AND set it up as back up and not as an overflow option. The failure rate within a year of purchase on professional cards only would make this useful.
Here's my take That's pretty close to a certainty, and even if it's not, it makes sense to act as though it were. It follows that you should backup early, backup often. Writing to two card slots simultaneously is as early and as often as it's possible to get. If one card fails, you have the other. I do a lot of travel photography. I have two complete sets of backup images for the entire trip.
When flying, one drive goes in checked baggage, one drive comes in carry-on. When I download to my PC, all raw images are copied to local drives, and automatically synced to an attached NAS drive. Post processing, all. I protect the original images, and I protect the investment in post-processing.
Using Microsoft's old but very reliable SyncToy, I do a "contribute" sync to these portable drives. If I'm at home and we have a fire, the first thing I'm going to grab is my wife, followed very shortly thereafter by the NAS drive, and get the hell out of there. If I'm not at home, I have the offsite portable drives.
Other than family and memories, everything else is replaceable. There are NO do overs in the wedding biz. My reputation is on the line here. Oops, my card failed is not an option. I love being able to tell my brides that both of my a7iii's have 2 card slots. Video Speed Class All these classes have a number to show smallest writing speed.
Some of the reasons for SD card failure are: 1. Improper handling SD cards are tiny, delicate pieces of storage devices and can get damaged, if not handled with care. Bad sectors in the card SD cards, like other storage devices, will develop bad sectors with age. Error while formatting If you are formatting the SD card, make sure you take utmost care while doing it and ensure an error-free formatting process.
Malware or virus attack If you download any malware program, it may cause a virus attack. File system damage All storage devices stores information based on their respective file systems. External factors It is advisable to protect your SD Card from moisture as well as excessive heat.
Damaged card slot For reading the data from an SD card, the card slot also needs to function well. Poor quality or manufacturing defects There are many brands of SD cards on the market. Classification of SD card failures for Data Recovery.
Logical Failure 2. Physical Failure 3. Logical Cum Physical Failure. Logical Failure These types of failures occur if the file system is inaccessible. Some SD card error messages which indicate a logical failure is: You cannot format the disk before you can use it. You need to format the disk before you can use it. File is missing or unread files. Data recovery from Logical Failures SD card failures such as a corrupted card due to virus attack, deleted or formatted data come under logical failures.
Physical Failure. Some of the SD card error messages which indicate a physical failure is: SD card is not initialized. SD Card with Fatal Errors. SD card is damaged try reformatting.
Data recovery from Physical Failures For undetected and physically damaged SD cards , data recovery is challenging. Logical cum Physical Failure. Some symptoms indicating this type of failure are: File or Directory is unreadable. How to prevent data loss from SD card? Use the following tips to prevent data loss from an SD card : Backup the data from the SD card to another device so in the case of SD card failure, you can easily recover the lost data.
Use anti-virus software to protect your device including SD card from malware attacks. Never remove the SD card from your phone while saving or viewing a photograph. Keep your card in a dry and dust free place. Buy good quality SD cards from trusted brands. Never change the SD card when the camera is on.
Also, use one card on one device only. Thank you for Rating. Submit Your Job. You power the camera off, then on again, the card is then recognized and you go about your business. This camera is telling you albeit indirectly that the card is exhibiting problems, and you should replace it. The easiest thing to do is to simply not move the card. With a digital camera for example, you can plug that into your PC via USB cable to get data and photos off the SD card without ever physically removing it from the device.
I especially recommend using the USB cable method for those of you out there with older devices that use SD, as it will extend the life of the device significantly.
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