Pixel mapping


posted on 22nd of september, 2010

I was reading my news letter from Olympus Inc. the other day and I saw something that piqued my interest. There was an article about pixel mapping. The article stated that a person could improve the quality of their exposures by doing a simple maneuver using the menu function.

The article stated you should pixel map at least twice a year due to the fact that pixels located on your light sensor either malfunction, absorbing too much light causing "hot spots" on your images, or the pixels die, causing all kinds of optical aberrations. When you pixel map, the camera will identify these bad pixels and program around them resulting in a better image.

I had seen "pixel mapping" when I did other things in my camera's menu but was always afraid to mess with this function because I thought I would do irreparable damage. You seasoned professionals who read this will probably think it's silly that I didn't know what pixel mapping would do, but the manual is very vague about this function...as it is about a lot of functions the camera should be able to do. At any rate, for people like me who have never taken a course in digital camera mechanics, this is good news.

Comments (4)

Posted by Williamardrey on September 24, 2010
It seems for Nikons, you apparently have to send the camera in to get the pixels fixed. I'm not that familiar with Nikons, but in reading about service issues with that brand, customers seem not to want to do that because it takes so long, and they get around the bad pixel issue by doing things in post production...like manipulating the pixels in RAW format.
Posted by Cristalloid on September 23, 2010
Is this possible on Nikons (D300 and D700, too? I didn't read that in the manuals or in any forum...
Posted by Williamardrey on September 22, 2010
you probably can. check your manual or just go into the menu.
Posted by Javierespuny on September 22, 2010
Interesting... I have an E-500, I wonder if I could pixel map my camera?



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Photo credits: William Ardrey.
 
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