Whats wrong with Nikon D800 camera

palocx

New member
Whats wrong with DSLR Nikon camera D800
Pictures are edited - On the original of the files, the white area is covered with a photo.

With which part is a problem please?
(mirror or the mechanism that drives it mirror (tilts it) or D800 Shutter Assembly Unit (or Shutter Blade Curtain or another part)) ?



Whats-wrong-with-this-DSLR-camera-03.jpg Whats-wrong-with-this-DSLR-camera-05.jpg Whats-wrong-with-this-DSLR-camera-07.jpg Whats-wrong-with-this-DSLR-camera-08.jpg
 

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Blade Canyon

Senior Member
Try taking the lens off and looking at the mirror/sensor while firing a shot. See what's blocking the sensor. Also, trying using a really long shutter speed (over 1 second) to see if anything is in the way.
 

palocx

New member
four more croped photos from the same camera Nikon D800
long exposure (5 - 20 second)

Whats-wrong-with-this-DSLR-camera-10.jpg

Whats-wrong-with-this-DSLR-camera-11.jpg

Whats-wrong-with-this-DSLR-camera-12.jpg

Whats-wrong-with-this-DSLR-Nikon-D800-camera-13.jpg

but later on another long exposure looks ok
 

Marcel

Happily retired
Staff member
Super Mod
I think that your D800 has either a mirror blocking problem or a shutter problem. It is impossible for us to diagnose a problem since we are just like you Nikon users. When the camera fails, you have to take it to a Nikon Service center or send it by courrier or registered mail.

Only a camera repair shop can tell you what is wrong with it and give you an estimate of repair.

When did this start happening? How many actuations are on the camera? To your knowledge, has it been dropped or hit?

All these questions and so little answers. Sorry, but I'd rather tell you what I know than tell you lies.
 

Blade Canyon

Senior Member
The image that hits your sensor is inverted, which means the part that is blocked is actually near the top of the camera. That's consistent with a mirror that is not going up all the way. If I were you, I would take off the lens and manually lift the mirror up and see if anything is blocking it or slowing it down. Otherwise, it has to go to service.
 

Blade Canyon

Senior Member
Hey, you might try setting your D800 to the Mirror-Up setting for photographs. It's on the top left wheel, last option. (MuP). You have to hit the shutter button twice... first time lifts the mirror, second time snaps the shutter. If your mirror is just a little slow, then this would give the mirror time to get all the way up before you take the shot. This would definitely not work for fast action sports, kids, etc., but it would still allow you to use your camera today while you decide what to do with it.
 

palocx

New member
thanks for your support!
I checked camera with mirror up (MuP) and mirror is not UP :mad:
mirror usualy stop about 2-3 mm before up :mad:
-
I found topic about my problem with D800 Mirror Failure
D800 Time-Lapse Movie Possible Damage to Mirror Functionality of Camera
dpreview.com/forums/thread/3788472

I only do not understand whether there is a need to replace both parts below

Nikon UK Parts Required
1H998-285 I PLATE UNIT = 116.64
1H998-288 Mirror UNIT = 41.17


--- interesting is that I have no problem with live view ::what:: like below
D810 mirror problem in live view mode
dpreview.com/forums/post/57835321
 

Horoscope Fish

Senior Member
around 200 000 clicks ... look here ... [video]
It's hard to tell from your video but I think I can see the aperture lever functioning normally, so that's good. I think the problem is that the mirror is simply getting stuck. I'd suggest you take your D800 to a professional, but if you want to pursue repairing it yourself search YouTube for "dslr mirror stuck" and you'll find plenty of suggested fixes.

Good luck!
 

Kris68190

New member
Hello,
It is not the mirror but a metal piece.
I have 4 D800.
3 bodies had the same breakdown at 200,000 clicks.
a little less than 400 euros of repair.
Nikon does not want to admit that there is a design problem.
There is not enough feedback because the problem comes late ...
After repair the case will live long ....
A D800 at 650,000 clicks since the repair.
 

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pforsell

Senior Member
Hello,
It is not the mirror but a metal piece.
I have 4 D800.
3 bodies had the same breakdown at 200,000 clicks.
a little less than 400 euros of repair.
Nikon does not want to admit that there is a design problem.
There is not enough feedback because the problem comes late ...
After repair the case will live long ....
A D800 at 650,000 clicks since the repair.

From this picture it looks like the focusing screen retainer spring has gotten loose. It shouldn't open by itself, but if it has happened once it might be a good idea to check the other cameras too. Make sure the spring clicks positively in place.

The retainer spring and the loose screen will cause havoc inside the mirror box, that's for sure. Lucky if the shutter and sensor survived.

At 200,000 clicks the camera has earned its keep though, imho.
 
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