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Anyone got hot pixels remapped by Nikon?

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Schurki said:
Wonder what a "pixel remap" actually is. Is it a "pixel disable"
and the pixel will be interpolated of surrounding pixels, or is it
kind of re-calibrate, so that it properly response to light
exposure?
Click to expand...
The first one.
--
Regards
Gabriele Sartori
 
Schurki said:
Schurki said:
The first one.
Click to expand...
Then, why is it called "remap"? Should be called "disable"!
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You are right. The definitions come form the memory technology (there were even CCD memories once). THere are some extra memory cell and when an active cell was working it was really remapped using laser trimming technology in production.

The terminology is still there but a real remapping of a CCD is impossible since it would be in a different position and wouldn't make sense. So the terminology is there but is more a "pixel killing" than anything else. Two (or four) adjacent pixels will then provide the missing pixel by interpolation, no visible artifacts will exist.

--
Regards
Gabriele Sartori
 
Schurki said:
Then, why is it called "remap"? Should be called "disable"!
Click to expand...
Nah... disable would be too "harsh". Remapping can also be called mapping out or to map out your hot pixels. Compare a map of pixels to a regular street map. A dead pixel is like construction; you can't go down that street (in this case the charge is leaky); hence you have to remap. Not the best analogy, but whatever. Computer terms are definitely wierd... but that's what you get when a bunch of geeks also come up with psycho-sexual terminology (hard drive, mounting etc).

--
Dave
 
I agree with you that for a $3500. Canadian you should not have to worry about hot pixels. I am just syaing that the noise reduction program removes the hot pixels, so it is similar to pixel mapping. I had the Oly as well and I loved the feature. I would love my D100 to have it as well, but is not the noise reduction a similar type program, it just does it before you take the picture as apposed to mapping it after. Us Canadians could buy a second car with the money this camera, lenses, flash and memory cards cost. Does not take much to get it up to $10,000 grand. The digital scam as you put it, though, is really no different then the tech scam of upgrading computers and software almost every year. I just don't understand why my tech stocks are taking such a beating if we all are spending so much money upgrading all the time...
Honda said:
Maybe I just expect more for my $. People seem ready to spend
$3000 every couple of years. That is the real scam of digital
photogrpahy I guess. My Om1n has never been repaired for over 30
years. These pixel problems are a real shame. No digital cam will
last this long...especially with companies not providing adequate
in-camera "repai" functions.

Too bad,
-Bill
Dave Harpe said:
I agree totally that they should let the user do it. But if they
were really being money-grabbers, they wouldn't be doing it for
free as a warranty repair (as many here have reported)...

Dave
Honda said:
Have to disagree. If Nikon is will to let you lock the mirror up
to "clean" the CCD they should allow you to remap your pixels.
"cleaning" the CCD is far more risky than a pixel remap. Nikon you
get far less people complaining about pixel issues if they had an
in-camera software fix. They just want to charge $200 to do it.
The pixel mapping on the E20 is easy, anyone can do it. Nikon and
everyone else just want to charge the $; nothing to do with users
not being able to understand a menu command.
-Bill
Dave Harpe said:
Obviously the software to handle the dead pixels is in the camera,
which means internally there is some sort of list that tells the
camera which pixels to remap. I would bet that the pixel mapping
stuff IS in firmware - we just don't know how to get to it. It's
either in the firmware or controllable through the PC interface
cable.

For example, Sony TVs have very elaborate setup and calibration
menus that are normally hidden from the end user. To activate the
menus, you use an undocumented two or three button sequence from
the remote control. Folks on the net have done a great job of
documenting this maintenance mode and publishing it online. That's
what we need for this new generation of cameras. We need some
camera hackers to see if they can figure out the magic sequence
needed to get to the dead pixel table.

Dave
---
Honda said:
Get on the phone (same with Fuju S2 owners as well) and complain.
It is a scam.

-Bill
Gabriele Sartori said:
I finally grrrrrr got one.

It is not stuck, just hot, in some pictures it doesnt come out in
others is very visible, in particular areas with shadows, it is
orange.

Anyone got them remapped by Nikon?

I wish to do so but I will wait till the new firmware will be
available.
Thanks for the info

--
Regards
Gabriele Sartori
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The marketing folks wanted to call it "CCD Pixel Enhancement Calibration", but the lawyers wouldn't let them... :-)

Dave
--
SpinThis! said:
SpinThis! said:
Then, why is it called "remap"? Should be called "disable"!
Click to expand...
Nah... disable would be too "harsh". Remapping can also be called
mapping out or to map out your hot pixels. Compare a map of pixels
to a regular street map. A dead pixel is like construction; you
can't go down that street (in this case the charge is leaky); hence
you have to remap. Not the best analogy, but whatever. Computer
terms are definitely wierd... but that's what you get when a bunch
of geeks also come up with psycho-sexual terminology (hard drive,
mounting etc).

--
Dave
Click to expand...
 
percy said:
I like to hear from those who got good D100.

Percy
Wolfgang Lemmerz said:
I bought my D100 about 2 weeks ago. It is a great camera and it
takes a while to get used to it. Last week I discovered the first
time a white blue spot. I thought it was dust, despite the fact
that I tried to be always very careful when changing the lens. As
you know, for cleaning you need the AC adapter, which I had to
purchase.
I finally got it and tried to clean the camera. It didn’t change a
thing. Of course, dust would show up as dark spot in bright areas
and not white in dark.
I guess I new it before, but I was hoping only others would have
this problem.
After looking at the first pictures that I took with D100, I
recognized the same spot. It is always at the same position. Mostly
visible when it is in a shadow area and independent from the
shutter speed or ISO.
I went back to the store and explained my problem. Well they never
heard about such a problem with the D100 before. However, I got a
new D100 and went back happy.
I came home and took a couple of pictures with the lens cap on.
Guess what, same problem in a different location. The new camera
had a hot/dead pixel in a more inconvenient area.
Meanwhile, I was getting more and more frustrated. Before I bought
my first D100, I took several pictures with their floor model. All
3 D100 had a problem with hot/dead pixel.
How many different cameras do I need to try?
I went back to the shop and asked, whether I could get my old D100
back. Imagine the look on the face of the sales person. Why would I
want the very same camera back which I complaint about before?
Well at least I new, at which position I would find the problem. If
I would try another one, chances are good that it would appear some
place else.
By the way, the sales person was very patient and helpful. He
recommended that I would speak to the Nikon sales rep who came by
the next day.
I explained him the whole story, and he made a couple off phone
call to Nikon service. He also did not hear about this issue
before. I told him, that he should check out this website and look
for this problem. He might be surprised.
My suggestion was, that if Nikon could guarantee a quick turnaround
time for service, I’d rather sent it in for service and let the
pixel being remapped. The answer is still pending.
Today I got another hot/dead pixel. Maybe my flexibility wasn’t so
smart at all. I am just tired of arguing and testing. I want to
take pictures and not looking for problems.
Right now, I need the camera on a daily base and cannot afford to
sent it in for service.
A friend of mine had a similar problem with a CANON. CANON remapped
it and everybody is happy.
Sorry for using so many words, to say it should work.
Is this a problem one should live with?

Regards,
Wolfgang Lemmerz
Gabriele Sartori said:
I finally grrrrrr got one.

It is not stuck, just hot, in some pictures it doesnt come out in
others is very visible, in particular areas with shadows, it is
orange.

Anyone got them remapped by Nikon?

I wish to do so but I will wait till the new firmware will be
available.
Thanks for the info

--
Regards
Gabriele Sartori
Click to expand...
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Click to expand...
 
Living in a small country like Belgium sometimes has its advantages:
it is a short drive to the Nikon distributor.
My D100 had 2 hot pixels. I went to the distributor with it,
and they mapped them in 5 minutes, with a smile and without
any charge. They cleaned the CCD, too.
Excellent service!!!
 
Hi

To mee it seems to be most D100 have or exhibit some hot pixels.

I told my story several times. I returned my first camera completely for hot pixels. The second camera had again the very same problem, hot pixels in a factory new camera... I sent it to Nikon and they remapped it fine. It took less than two weeks including shipment. I only have some minor trouble left with high ISO and longer times between 1/30-1/2 where sometimes randomly single hot pixels show up and I wish I could activate the long time NR for this exposure times as well. In camera NR works perfect and removes all odd pixels.

Regards, A. Schiele
 
Gabriele Sartori said:
I finally grrrrrr got one.

It is not stuck, just hot, in some pictures it doesnt come out in
others is very visible, in particular areas with shadows, it is
orange.

Anyone got them remapped by Nikon?
Click to expand...
Yes, I had 2 of them. Both were sort of green-ish, and one was even visible at 1/4000s (on a dark frame shot, this one had luminance around 70-80 at this exposure time).

The dealer stated it might take up to 3 weeks, I had my camera back after 2 weeks. The "repair" was fully covered by warranty; the camera was shipped through the dealer (so no cost for me there either).

Jörg
 
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