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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 13 Apr 2014 (Sunday) 22:49
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Hot Pixles

 
scpictaker
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Apr 13, 2014 22:49 |  #1

How common are hot pixles? I noticed I have 2 of them. Hard to find but now I know they are there.


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scpictaker
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Apr 13, 2014 22:50 |  #2

I have a 5D3 btw.


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rrblint
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Apr 13, 2014 22:54 as a reply to  @ scpictaker's post |  #3

Think about it: Out of 22,300,000 pixels, only two hot ones? Not too shabby.:)


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scpictaker
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Apr 13, 2014 22:55 |  #4

ok......i guess


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CoPhotoGuy
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Apr 13, 2014 23:21 |  #5

Not a big deal, easy to clone out and if you have Lightroom it will fix it for you automatically.




  
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1Tanker
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Apr 14, 2014 00:18 as a reply to  @ CoPhotoGuy's post |  #6

Depending on the length of the exposure(usually over 2 minutes), i can have dozens(60D).
I tend to use long-exposure noise reduction on my long-exposure shots, as they can be numerous for cloning.


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catclaw
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Apr 14, 2014 01:29 |  #7
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scpictaker wrote in post #16831566 (external link)
How common are hot pixles? I noticed I have 2 of them. Hard to find but now I know they are there.

They're very common. Not a big deal either. You can either set your camera to manual clean and it will reset the sensor and they go away, or you can clone stamp them out. Easy as pie.

And when you consider that there are only 2 out of 22 million pixels on the sensor, then in perspective it's hardly any pixels at all. Only 1 pixel out of 10 million is hot. You got a pretty good production copy.


TriExposure (external link)

  
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tonylong
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Apr 14, 2014 03:00 |  #8

When you say "hot pixels", are you referring to seeing a bright 1-pixel "spot" when you enlarge the pic to at least 100% (an actual pixel), or are you referring to a bright "blotch" that is made up of more than one pixel?


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kfreels
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Apr 14, 2014 08:32 |  #9

Give this a try. Many people including myself have had success with this. No official word from Canon on this or why it works but a lot of speculation that the system maps the bad pixels and interpolates the data for those pixels from adjoining pixels. Then you don't have to screw with fixing it in every image.
http://www.prestonkana​k.com …8/how-to-fix-dead-pixels/ (external link)


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Gregg.Siam
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Apr 14, 2014 08:50 as a reply to  @ kfreels's post |  #10

Just do a manual clean and let it map them out. Problem solved.


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scpictaker
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Apr 14, 2014 11:11 |  #11

Appears to be a white one then I found a blue one. How does lightroom repair them automatically?


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