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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 07 Nov 2013 (Thursday) 17:41
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UniWB on the EOS 6D?

 
paddler4
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Nov 09, 2013 13:26 as a reply to  @ post 16437466 |  #16

The only method I have seen for UniWB was extremely complicated. What is the simple black-frame method? If it is really simple, I would be tempted to try it. I have a 5dMkIII but do not have Magic Lantern. What I do know to make the histogram reasonable is to select the neutral style and turn contrast down by 2. (I shoot only raw.)

Thanks.


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tzalman
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Nov 09, 2013 17:14 |  #17

paddler4 wrote in post #16437600 (external link)
The only method I have seen for UniWB was extremely complicated. What is the simple black-frame method? If it is really simple, I would be tempted to try it. I have a 5dMkIII but do not have Magic Lantern. What I do know to make the histogram reasonable is to select the neutral style and turn contrast down by 2. (I shoot only raw.)

Thanks.

Just shoot a photo with the lens cap on. Use a reasonably fast shutter speed and ISO 100 to minimize noise. Then do the normal procedure for making a Custom WB. When the camera asks if you want to use the black shot, say yes. The camera will then answer back, "You idiot, that's not a good shot. Are you sure?" but you should be strong and insist that you know what you are doing. (Show a sign of weakness and the camera will control you for the rest of your life.)

The theory is that when the camera makes a CWB it inspects the shot you made of a grey card or whatever and if it sees a bluish card it makes a reddish CWB to compensate. When it examines the black shot it sees 0/0/0 and thinks, "Sheeyit, this mother's already balanced. All I have to do is make a CWB where everything is 1.


Elie / אלי

  
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NewCreation
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Nov 09, 2013 17:21 |  #18

tzalman wrote in post #16438004 (external link)
Just shoot a photo with the lens cap on. Use a reasonably fast shutter speed and ISO 100 to minimize noise. Then do the normal procedure for making a Custom WB. When the camera asks if you want to use the black shot, say yes. The camera will then answer back, "You idiot, that's not a good shot. Are you sure?" but you should be strong and insist that you know what you are doing. (Show a sign of weakness and the camera will control you for the rest of your life.)

The theory is that when the camera makes a CWB it inspects the shot you made of a grey card or whatever and if it sees a bluish card it makes a reddish CWB to compensate. When it examines the black shot it sees 0/0/0 and thinks, "Sheeyit, this mother's already balanced. All I have to do is make a CWB where everything is 1.

My camera has said that to me in more than one instance. ;)


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paddler4
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Nov 10, 2013 08:57 |  #19

Eli,

thanks very much

Dan

tzalman wrote in post #16438004 (external link)
Just shoot a photo with the lens cap on. Use a reasonably fast shutter speed and ISO 100 to minimize noise. Then do the normal procedure for making a Custom WB. When the camera asks if you want to use the black shot, say yes. The camera will then answer back, "You idiot, that's not a good shot. Are you sure?" but you should be strong and insist that you know what you are doing. (Show a sign of weakness and the camera will control you for the rest of your life.)

The theory is that when the camera makes a CWB it inspects the shot you made of a grey card or whatever and if it sees a bluish card it makes a reddish CWB to compensate. When it examines the black shot it sees 0/0/0 and thinks, "Sheeyit, this mother's already balanced. All I have to do is make a CWB where everything is 1.


Check out my photos at http://dkoretz.smugmug​.com (external link)

  
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UniWB on the EOS 6D?
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