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How my D800 Counts Shutter Actuations

txstone12

Texas, US
599 posts

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txstone12 Gold Member Donor Ribbon awarded for his generous support to the Fundraising Campaign 2014 Nikonian since 12th Feb 2012
Thu 04-Oct-12 03:22 AM

Here's the way my D800 counts shutter actuations transiting Live View from/to View Finder.

File no. /Mode /Shutter Count

(Series 1)

3627 VF-1 3967
3628 LV-1 3968
3629 LV-2 3969
3630 VF-2 3972

(Series 2)

3630 VF-2 3972 (as above)
3631 LV-3 3973
3632 VF-3 3976

(Series 3)
3641 VF-4 3990
3642 VF-5 3991
3643 LV-4 3992
3644 LV-5 3994 ***???***
3645 VF-6 3997

The count shows

1 – VF shots increment by +1
2 – Entry to LV causes no penalty
3 – LV to LV, each shot increments by +1, except File 3644 above (what happened?)
4 – LV to VF increments by +3 (+1 when shutter closed after last LV shot was counted to complete cycle when leaving LV to VF makes perfect sense, +1 for the shot and +1 for what? Here’s where we need to revise the explanation).

The shutter count is incremented by +3 leaving LV to VF. Two of the actuations are perfectly reasonable. I haven’t found an explanation for the third?

The photo file 3644 count above, when the counter incremented by two from LV to LV shot, I find **very** strange, have NO explanation for and would like to know if anyone else has seen this behavior. I’ve checked the file count field and the count around this value all match what was going on? I’m puzzled.

Possible explanations have been discussed in earlier posts here

https://www.nikonians.org/forums/dcboard.php?az=set_threaded_mode&forum=430&topic_id=7023&prev_page=show_topic&gid=7023#7033


https://www.nikonians.org/forums/dcboard.php?az=show_mesg&forum=430&topic_id=17413&mesg_id=17575&page=

David

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gpoole

Farmington Hills, US
4122 posts

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#1. "RE: How my D800 Counts Shutter Actuations" | In response to Reply # 0

gpoole Platinum Member Fellow Ribbon awarded for his excellent and frequent contributions and sharing his in-depth knowledge and experience with the community in the Nikonians spirit. Awarded for his very generous support to the Fundrasing Campaing 2014 Writer Ribbon awarded for his article contributions for the Articles library and the eZine Nikonian since 14th Feb 2004
Thu 04-Oct-12 03:09 AM

David,

I can't explain your results.


  • The total shutter cycles in Series 2 and 3 behaves according to the formula of 2 x LVimages + 1 that I proposed in the other thread. I'm a little surprised that cycles didn't just count by twos, but the totals are what I predicted.

    • For Series 2 your shutter count ended up 2 higher than you would have had if you didn't use LV. So for one LV frame you got a total of 3 cycles: one counted with the image plus the 2 extra shown in the final VF image.

    • For Series 3 the final count ended up 3 higher than you would have had if you didn't use LV. So for 2 LV images you had a total of 5 cycles: 2 for the images + the 3 extra. Also the second LV image showing the cycles jumping by 2 is what I would expect.

  • Series 1 completely contradicts my predictions. I have no explanation!


Another interesting experiment would be to enter and exit LV without taking an image to see if the shutter count makes an extra step. It's past my bedtime (1 am) so I'm not going to try that or replicating the rest of your experiment now.

Gary in SE Michigan, USA.
Nikonians membership - My most important photographic investment, after the camera.
D4, D810, D300 (720nm IR conversion), D90, F6, FM3a (black), FM2n (chrome)
YashicaMat 124, Graflex Speed Graphic 4x5
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txstone12

Texas, US
599 posts

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#2. "RE: How my D800 Counts Shutter Actuations" | In response to Reply # 1

txstone12 Gold Member Donor Ribbon awarded for his generous support to the Fundraising Campaign 2014 Nikonian since 12th Feb 2012
Thu 04-Oct-12 01:42 PM

>
>Another interesting experiment would be to enter and exit LV
>without taking an image to see if the shutter count makes an
>extra step. It's past my bedtime (1 am) so I'm not going to
>try that or replicating the rest of your experiment now.
>

Good idea, Gary!

File no. /Mode /Shutter Count

(Series 4)

3657 VF-1 4009
Enter LV, Exit LV - no image
3658 VF-2 4011

So the LV shutter cycle is counted whether you take an image or not. I think that makes sense. I still don't understand the +3 when you do take a LV image. There's a +1 in shutting down LV and preparing for VF that I still don't understand.



David

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gpoole

Farmington Hills, US
4122 posts

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#3. "RE: How my D800 Counts Shutter Actuations" | In response to Reply # 2

gpoole Platinum Member Fellow Ribbon awarded for his excellent and frequent contributions and sharing his in-depth knowledge and experience with the community in the Nikonians spirit. Awarded for his very generous support to the Fundrasing Campaing 2014 Writer Ribbon awarded for his article contributions for the Articles library and the eZine Nikonian since 14th Feb 2004
Fri 05-Oct-12 02:54 AM

The +3 really indicates that the LV image caused 2 extra cycles. If you you just made an image without using LV you would have +1. The first extra cycle is the shutter opening for LV and then closing before the LV image. The second extra cycle the shutter reopening after the LV image and then closing when you exit LV. Of course there was also a shutter cycle to make the image.

My formula of 2 * LVimages +1 says you should get 3 shutter counts for a sequence of 1 LV image. That's what your data is showing (except for Series 1 in your original post). It also says you should get 1 shutter count when you take no images in LV.

I seem to keep being on Nikonians at 1:00 a.m.

Gary in SE Michigan, USA.
Nikonians membership - My most important photographic investment, after the camera.
D4, D810, D300 (720nm IR conversion), D90, F6, FM3a (black), FM2n (chrome)
YashicaMat 124, Graflex Speed Graphic 4x5
My Nikonians Gallery & Our Chapter Gallery

txstone12

Texas, US
599 posts

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#4. "RE: How my D800 Counts Shutter Actuations" | In response to Reply # 0

txstone12 Gold Member Donor Ribbon awarded for his generous support to the Fundraising Campaign 2014 Nikonian since 12th Feb 2012
Sat 13-Oct-12 08:17 PM

>Here's the way my D800 counts shutter actuations transiting
>Live View from/to View Finder.
>
Updated to include transit to LV Video mode for video and stills. The series pick up after Series 4 above. All LV are LV Still Mode unless indicated as LV Video. See Gary's posts for an overall explanation of what's happening.

File no. /Mode /Shutter Count

(Series 5)

3693 VF-1 4046
3694 VF-2 4048 (+2)
3695 LV-1 4049
3696 LV-2 4051
3697 LV-3 4053
3698 VF-3 4056

(Series 6)

3699 VF-4 4057
3700 LV-4 4058
3701 LV-5 4060
3702 LV-6 4062
3703 LV-7 4064
3704 LV-8 4066
3705 VF-5 4069
3706 VF-6 4070

(Series 7)

3707 VF-1 4071

3717 VF-11 4081 (All VF; all incremented by 1)
3718 LV-1 4082
3719 LV-2 4084
3720 LV-3 4086
3721 VF-12 4089

(Series 8)

3725 VF-1 4099
3726 LV-1 4100
3727 LV-2 4102
3728 LV-3 4104

(Series 9)
Viewfinder to Video – video (.mov) and back to Viewfinder

3729 VF-2 4107
3730 VF-3 4108
3731 LV-4 Video .mov
3732 VF-4 4110

(Series 10)
Viewfinder to Video – three stills in video mode and back to Viewfinder

3733 VF-5 4111
3734 LV-5 still – video mode 4112
3735 LV-6 still – video mode 4114
3736 LV-7 still – video mode 4116
3737 VF-6 4119
3738 VF-7 4120

(Series 11)

3829 VF-1 4212
3830 VF-2 4213
Enter LV-still, Exit LV – no image
3831 VF-3 4215

(Series 12)

Viewfinder to Video – video (.mov) and back to Viewfinder
3832 VF-4 4216
3833 LV-Video .mov
3834 VF-5 4218
3835 VF-6 4219


The image count shows (updated)

1 – VF shots increment by +1 (Usually– file #3694 incremented by 2; I can’t explain and haven’t seen it happen again)
2 – LV to LV each shot increments by +1 or +2. +2 is not unusual for LV-Still mode. All of the LV Video mode stills I took in Series 10 incremented by +2.
3 – VF to LV and return without taking an image increments by 2, Series 4 and 11.
4 – LV to VF from LV Video mode after recording a video (.mov) and return increments by 2 (Series 9 and 12). +1 for the video and +1 for the cycle on return to VF?
5 – LV to VF from LV Still and LV Video mode-Stills increment by +3. +1 as shutter closed after last LV shot was counted to complete cycle on return to VF, +1 for the shutter timed release for the image and … +1?



David

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G