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DPChallenge Forums >> Hardware and Software >> Dead/Hot Pixel.... what to do?
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12/03/2009 06:26:39 PM · #1
I don't know anything about warranties.. never had to send anything back in my life. I bought my D300 on September 03, 2008 on jr.com and today I noticed it has a red dot in all my photos in the exact same place. I did a bit or research and found its called dead or hot pixels. How long are the warranties usually for the D300? Would that even be covered? I was about to take both my D50 and D300 into have the sensors cleaned at a camera place, do places like that fix pixels or is that strictly a 'sent to Nikon' thing? thanks
12/03/2009 06:37:53 PM · #2
Your Factory Warranty is probably expired. Camera shops are not going to be able to fix something like that.

Question. Where is the red dot appearing, Is it when you view the photos on the cameras LCD screen or is it when you view them on the Computer. If it is only on the camera LCD then it isn't much to worry about because it is just a dead pixel in the LCD. If you see the dot on your computer, Then it is potentially a bigger problem because it is your sensor that has the dead spot and that is not a good sign of things to come. If it is the sensor You will need to send it to Nikon for repairs, Replacing the sensor could cost some big bucks. Guessing no less than $300 but I am not positive. Someone here will know though.
12/03/2009 06:41:28 PM · #3
Does the D300 allow you to remap the sensor?
12/03/2009 07:40:35 PM · #4
Nikon offers Sensor Remapping, But I am pretty certain you still have to send it in and in alot of cases that I read about, people send it in for remapping and get the camera back with a replaced sensor. I think your best bet is to call Nikon and ask them what your options are.
12/03/2009 08:22:10 PM · #5
If it's just one hot pixel, you could always just ... go into the image and remove that single pixel from it. Hot pixels are relatively easy to remove from the image. Some programs have blemish removers that would likely do the job, others have hot-pixel clearers, many have cloning tools, and even more have a paint-brush where you can change the color of that pixel.

If you look at even the basic rules, you'll notice that:
"You may not:

*
spot-edit your entry, except to remove sensor dust or hot pixels.
", among other things. //www.dpchallenge.com/challenge_rules.php?RULES_ID=11 (accessed same day as post)

Therefore, if your worry is about competing here, that's not a worry, since spot-editing is allowed for sensor dust and hot-pixels.

My first dSLR had either a hot pixel or sensor dust (the camera shop I took it to couldn't find sensor dust, though) since I bought it, or perhaps shortly there after, and it just rolled over it's 10k picture mark, so your camera is probably not going to be dying any time soon. At least, a hot pixel isn't a certain guarantee that it will.

Personally, I wouldn't worry too much about it, and just keep on using your camera as you have been :)
12/03/2009 08:40:25 PM · #6
' . substr('//www.dpchallenge.com/images/user_icon/21.gif', strrpos('//www.dpchallenge.com/images/user_icon/21.gif', '/') + 1) . ' Hot_Pixel is DEAD!!! oh, my...NO...when I saw the title to this thread...I couldn't resist...

and now back to your regular programming...

Message edited by author 2009-12-03 20:40:43.
12/03/2009 11:38:10 PM · #7
Originally posted by Ja-9:

' . substr('//www.dpchallenge.com/images/user_icon/21.gif', strrpos('//www.dpchallenge.com/images/user_icon/21.gif', '/') + 1) . ' Hot_Pixel is DEAD!!! oh, my...NO...when I saw the title to this thread...I couldn't resist...

and now back to your regular programming...


Too, funny!!! Muahahaha...

...carry on....
12/04/2009 12:37:38 AM · #8
There's apparently an undocumented feature of Canons that lets you remap the sensor yourself, it's worth trying to see if it works on Nikon: You take the lens off, mount the body cap where the lens was, set the menu for sensor cleaning, and proceed. Leave it on sensor clean for 45 seconds, then cancel it. This supposedly remaps the sensor on Canon dSLRs. I can't see any harm in trying this. I haven't had any need to do it myself...

R.
12/04/2009 08:05:56 AM · #9
Another question is what software you are using for processing. If you use Lightroom for processing, it will take care of hot pixels for you; no action on your part needed at all. BTW, are you shooting JPEG or RAW?
12/06/2009 07:03:43 PM · #10
Thanks for your advice everyone. Here is the pixel: ' . substr('//images.dpchallenge.com/images_portfolio/20000-24999/20330/120/Copyrighted_Image_Reuse_Prohibited_837956.jpg', strrpos('//images.dpchallenge.com/images_portfolio/20000-24999/20330/120/Copyrighted_Image_Reuse_Prohibited_837956.jpg', '/') + 1) . '

To answer questions... I noticed it because it is in the left top corner of my images and I was browsing the images in full screen on my monitor. I went through all my recent images and I can pick the date it started, I was photographing some items I sell and noticed it against the white. The above image is the first shot of the pixel. It hasn't gotten any worse, so I'm hopeful. I've dealt with dust and stuff but never a dead pixel. I use photoshop, I have no problem removing the pixel, my main concerns are what to do now, will it get worse (more dead pixels) and are there more I haven't noticed? I don't have a lot of cash since its here at the holidays to spend on getting one pixel fixed, I'm ok to just clone/spot remove it out but I am concerned if this is a sign of problems to come. I read about the remapping and saw that it was done on a Nikon but didn't read up too much on it, maybe I should? Again, Thanks for taking time to respond and help!
12/06/2009 07:12:42 PM · #11
Here's a professional photographer's position on it.
//www.kenrockwell.com/tech/hot-pixels/index.htm

When I read the article, what I gathered from what he said is that pretty much every camera has them, they're not terribly bad, and just spot remove them, if you're concerned :)
12/06/2009 07:14:18 PM · #12
[quote=sukuriant] Here's a professional photographer's position on it.
//www.kenrockwell.com/tech/hot-pixels/index.htm]

parsed link.

But... Ken Rockwell? Professional? (Runs for shelter)

R.



Message edited by author 2009-12-06 19:16:50.
12/06/2009 07:59:55 PM · #13
Originally posted by Bear_Music:

But... Ken Rockwell? Professional? (Runs for shelter)

R.


Hee hee, too bad the "Genius or fool" thread is locked :-P

Back on topic, the *bad* news is that yes, over time hot/dead pixels do get worse. The good news is, this is a *very* slow process.
12/06/2009 11:00:40 PM · #14
I was all set to say what Kirbic said, So instead I will just say Dito!
12/08/2009 12:46:59 AM · #15
hahaha I was just about to starta thread... My D90 all of a sudden has 3 hot pixels... and the 1 year warranty expires in 3 weeks...

Time to go to Nikon for service... =)

Apparently the D90 and D300 sensors can be re-mapped and Nikon will do it for free... I heard that they will do it even after warranty expires for free...

meh, if they want big bux to fix it, i'll jsut dump it in AS-IS shape on ebay and go buy a full frame D700... I'm due for an upgrade to full frame anyways... =)

.
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