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D700 File issues


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11 replies to this topic

#1
xJaymz

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Hello everyone,

 

First let me say I am new to the forum and am glad to be here, thanks for having me.

 

I have an issue that has recently started with my files in camera. I have had 3 of my last 8 or 9 shoots "disappear" from my memory card. I put disappear in quotes because after the third time I actually tried to recover the files and found that they were still on the card (first 2 times I simply did a reshoot). Initially, I chalked it up to failing compact flash cards. I thought it odd that 2 might go so close together, but they were long in the tooth so not super odd. The third time I was using a new card. After recovering the files on the card, they were all in NRW format instead of the expected NEF. Turns out they were all corrupt and not able to be opened anyway, but my question is how is it that they were all NRW? I have never had NRW show as the file type prior, and since then all have been NEF. Is something going on with the camera itself to cause this?

 

Thanks in advance,

James



#2
chingwe

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Hi James, had something similar happen to me on my D700.  It was odd since the image would show on the screen after the shot but would not be on the card.  I noticed the last time it happened that the CF light stayed on after the shot, and as long as it was on the card would not record any shots.  I assume the buffer got "stuck" and wasn't able to write the file or clear.  Didn't think to check the card and try a recovery to see what was on it. 

 

I made it a habit to format the card at the beginning of the shoot, and haven't had this show up again...which may be only coincidence.



#3
xJaymz

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Hi Chingwe, exactly the same scenario, shows an image after shooting, but none on card( so I thought until finding the NRW). Never thought of a buffer problem. I haven't noticed the activity light staying on, but will watch for it now. It makes sense if it is indeed a buffer issue, as I was bracketing for exposure each time it has happened(burst/5 shots). I typically do an in camera format prior to shooting. I did a complete, deep format of that particular card on the PC after finding the NRW files because I found files on the card from shoots I did years ago. I will use it again for a bunch of trial shoots under different conditions (bracketing/burst shooting) to see if I can get it to happen again, as it would further signal write/buffer issues. Still curious as to the NRW vs. NEF thing.



#4
Jerry_

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Hi, as I was interested, too, about the NRW I Googled it ;)
This site seems to give a good explanation

NRW File - What is an .nrw file and how do I open it?

However it does not explain why this format is suddenly used.

#5
TBonz

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I believe I have encountered NRW files previously several years ago.  I had photographed a wedding and moved all the images to my Windows PC.  In preparation for another shoot, I formatted my cards.  Before the shoot AND before a backup of the images, the hard drive crashed on my PC and was unrecoverable.  I did not use the cards for the shoot and saved them to try and do a recovery.  Those images came up as NRW files.  Thankfully, wedding photos saved and I didn't have to have that conversation with the couple.  That reminded me of my standard process of not formatting a card until images have been moved to my computer AND backed up.

 

Perhaps Peter can speak to the issue specifically on a D700 but I don't remember any of my DSLRs that would shoot an image until space was available in the buffer.  And I know I have pushed that limit a few times, mostly on purpose so I knew my limits.  I even filled the buffer on my D4 as a test which wasn't easy to do.  I don't think a 5 shot burst would fill a D700 buffer though.  



#6
Merco_61

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A D700 that works as it should definitely won't fire with a full buffer. It just slows down. The buffer is somewhere around 16-26 frames when shooting raw files. 16 is 14 bit uncompressed + jpeg fine and 26 is compressed 12-bit only.

 

The D700 is finicky about cards. What was the new card? Was it formatted in-camera? I have had trouble with both Kingstons and Transcends that work perfectly in the D300. I even had one Sandisk Ultra that didn't play well with either D700.



#7
xJaymz

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Jerry - I knew that NRW was another type of nikon raw file, just not how the files had been saved that way. As far as I know, the D700 doesn't offer NRW as an option to save.

 

TBonz - Lucky indeed, it is always such a dreadful feeling having to make a call saying we have to do it all again.

 

Peter - I ought to have said different card, rather than new. All cards were Sandisk extreme 3. I did just order a couple Lexar pro cards, hopefully they get along with the D700. I pretty much only format in camera.



#8
krag96

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I use Lexar Pro 32GB cards in my D700 with no issues.  I format first, it only takes a few seconds.



#9
TBonz

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Always format in camera!



#10
Nikon Shooter

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Always format in camera!


THIS ^^^^^^^^^^^^^^ + 1 zillion!



#11
albert2john1

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Hi, Basically NRW is a raw image file format by Nikon Camera such as point & shoot COOLPIX and DSLR D series models. Recovery of corrupt NRW files is a challenge as the recover of uncompressed RAW images is not easy. I had the issue couple of days ago, I tried Stellar Photo Recovery software has made the recover of raw file format of nikon cameras easy and fast. I can free download the 100% secure photo recovery software and fix unlimited disappeared NRW files in one go. 



#12
TBonz

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sounds like an advertisement...it isn't easy but for free I can do it easy and fast and it is 100% secure... :D