Reset shutter count on D80

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Just bought a D80 ( thats a D90 with a smaller sensor) and the shutter count is 81 whilst the filesequence no is 5467..strange ..can the shutter count be re set on the older models ..some say yes some say no ..so it could be 5467 or 15467 or 25647 etc etc .....as the sequence goes to 0000 at 9999..still got the original firmware version....Well used body...

Well can you or not ? I got a shutter count of 81 and a file sequence no of 5467...looks well used
 

jdeg

^ broke something
Staff member
The file sequence should have nothing to do with the shutter count. The latest count will be in the exif of the last image. Here's a quick way to find it: Nikon Shutter Count
 

Mike150

Senior Member
Although I'm not an expert, I am going to make a wild guess anyway. I've never seen anything written about the ability to reset this, but your question brings about a theory I've wondered about.

Nikon's photo numbering (like you said) rolls over to zero after reaching 9999.

This could also be true for shutter actuations if the software were to use a fixed length word in which to store the number. Most of today's memory bytes are grouped into sizes of 4, 8 or 16 bits each. A 16 bit word would be able to count as far as 65,535 before rolling over to zero again. This could possibly be the case with what you are seeing.

Again, that is just a wild guess, but it makes sense to me.
 

nickt

Senior Member
This could also be true for shutter actuations if the software were to use a fixed length word in which to store the number. Most of today's memory bytes are grouped into sizes of 4, 8 or 16 bits each. A 16 bit word would be able to count as far as 65,535 before rolling over to zero again. This could possibly be the case with what you are seeing.

Again, that is just a wild guess, but it makes sense to me.

I've read this around the 'net. Quite a few threads saying yes, the older cameras do reset around 65k.
 

jdeg

^ broke something
Staff member
Regarding actually resetting the counter - sure it can be done, if you know what to look for in the firmware. Service centers probably have some special diagnostic software that can do it. I wouldn't doubt if that is available somewhere on the interwebs too.

People take apart software all the time, just look at all the cell phone (mobile in the uk) stuff that is going on now.
 

BackdoorArts

Senior Member
Seeing the 65K number has me thinking that it's a 16-bit counter (64K = 65,536), so it's possible that it rolled over after that many. I would hate to think that some unscrupulous seller would sit there with their finger on the shutter button while watching TV waiting for it to roll over - and if they did, you'd think they'd reset the counter to at least be close?
 

AxeMan - Rick S.

Senior Member
How many times has my Nikon camera released the shutter?

"There is no way to accurately tell the total number of times your camera shutter has released. While there are third party software applications designed to read a cameras shutter count, this number is not always accurate because the shutter release times may be reset by firmware updates, or reset in the Service department if certain parts are replaced or other operations are performed."
 

§am

Senior Member
If your shutter is replaced for whatever reason, it would be reasonable to assume that the repairers would reset the shutter count too :)
 

BackdoorArts

Senior Member
If your shutter is replaced for whatever reason, it would be reasonable to assume that the repairers would reset the shutter count too :)

Which is what I thought when I got my D600 back from Nikon yesterday, but no, it was still at 5K+.
 
thanks for all that it makes sense that if its a 16 bit counter it rolls to zero at 64536 so this camera has done 64536 +81 ...thanks ..I sent it back for exchange for one that looks like its done the 2900 it claims.

I dont like taking my work cameras on holiday and the wife does not like the Nikon EM so its just for her to use and for those odd shots for e bay ..saves getting the others out the safe.
Thanks every one I told the vendor ..a large second hand camera supplier who tells me he sold D80 with over 100,000 actuations so we still dont know for sure...
 
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Any body got a D80 with over 65000 actuations ???

The point of his is we are trying to find out if the shutter counter changes back to zero at 64569 ...some say it does and one retailer say he has sold D80s with over 100,000 actuations ....so if you got an old well used D80 and it is over 65 000 it will prove it one way or another ....or of couse one that re set.......
 

Marcel

Happily retired
Staff member
Super Mod
I'm not sure about this 64536 number. I know my D700 rolled back to 0001 after it's 9,999 th shot. So maybe the one you got was 29,999 + 82…? I don't know but can suppose.
 

§am

Senior Member
"Nikon identifies images taken by using 4 letters at the beginning of the file name and three at the end, with 4 numerical digits in-between, for example DSCN8756.jpg. The first four characters are the identifier, this indicates the type of image. The three characters at the end of image name are the extension code used by the computer operating system to recognize the file type and open them in the correct program. The four digit number is assigned automatically by the camera in ascending order. Once these numbers reach 9999 a new folder will be created and the numbers will begin again from 0001."
(Source:What is the meaning of the prefix letters in the Nikon image file name?)

This is a legacy from the old DOS OS days, and most camera manufacturers still use it in some iteration even in newer cameras.
 
I think some of you should re read the post...
The file sequence number is of no consequence in this discussion as we all know it re sets at 9999.
The idea that the camera sutter cound re sets at 64K is what I am trying to establish..

so anybody got a D80 with 65k+ then we will know for sure
 

BackdoorArts

Senior Member
Exactly - this is about the shutter actuation count available only in the embedded data in the image file, not the sequence number on the photo (which both rolls over and can be reset at any time by the user). Given the low count on the D80 that was just purchased, coupled with a higher sequence number, which is the clue that they had to have more shots than the shutter actuation number suggests, the question is, "Did someone reset the actuation count, or is it possible that the actuation count rolls over after 65536 (the highest 16-bit number that can be stored)?"

Since no one seems to know the answer, the question then becomes, "Does anyone have a D80 with an actuation count higher than 65536?"
 

§am

Senior Member
I did a fair about looking around last night and it certainly seems that Nikon allocate 2 bytes (16bits) to recording the number of times the shutter actuates.
As already discussed, 16bits allows the shutter number to count 65536 (though the highest number you get is 65535 (0 is considered the first number!))

However, what I couldn't find with any definite answer was whether Nikon continues the shutter count in EXIF data beyond 65535, or whether that resets to 0 too.

In any case, the D80 was marketed as having a 50k MTBF shutter count
 
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