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FORUMS Canon Cameras, Lenses & Accessories Canon Accessories 
Thread started 02 Jun 2015 (Tuesday) 00:05
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Grey Card

 
firme
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Jun 02, 2015 00:05 |  #1

Hello I have been doing some searching on youtube and google for how to use a grey card, what it's used for, etc. I have seen videos and read that some use the card to adjust white balance for when they are shooting and others have the card in a picture and use it for post production. Is there a big difference in either or is it just preference from photographer?

Would like to receive any recommendations where I can purchase one? I have gone to bh/adorama but there are a few cards listed on either site. As I am not sure which one is descent to do the job, can anyone suggest one? Not trying to buy a costly one either. Thank you in advance for your help.




  
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the ­ flying ­ moose
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Jun 02, 2015 02:17 |  #2

Amazon is your friend. http://www.amazon.com …sr=8-4&keywords=grey+card (external link)




  
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GeoKras1989
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Jun 02, 2015 04:55 |  #3
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I keep an 18% grey card, and a piece of 92-brightness printer paper, in my bag. Both work equally well. If I am without bag, I shoot anything that is close to white. Napkin, notebook paper, menu, whatever. I use that frame to set Custom White Balance, and then shoot raw. I have never had this method fail me.


WARNING: I often dispense advice in fields I know little about!

  
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Bearmann
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Jun 02, 2015 14:48 |  #4

A grey card can be used to set exposure and/or white balance. Older grey cards from the film days were not usually spectrally neutral, so they cannot be used to set WB. Most newer cards can be used for either, but check the instructions to be sure.

If you shoot raw, it's usually easier to set your WB in post production. If you shoot JPG, you may want to set your WB on location in order to obtain a richer image file and one that has the correct WB on your camera's LCD and is correct straight out of camera.


Barry

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Wilt
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Jun 04, 2015 12:00 |  #5

Known to be R-G-B neutral (for color balance) and 18% tonality (for exposure reading)...

Douglas Gray Card
EZ Balance
Kodak Grey Card
PhotoVision


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Bearmann
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Jun 04, 2015 13:13 |  #6

Wilt wrote in post #17584004 (external link)
Known to be R-G-B neutral (for color balance) and 18% tonality (for exposure reading)...

Douglas Gray Card
EZ Balance
Kodak Grey Card
PhotoVision

Interesting Wilt! Is there a link to the testing? I would be interested in seeing which cards didn't make the cut.


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PhotosGuy
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Jun 04, 2015 14:14 |  #7

Grey Card who uses one and which one ??


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Wilt
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Post edited over 4 years ago by Wilt.
     
Jun 04, 2015 14:42 |  #8

Bearmann wrote in post #17584099 (external link)
Interesting Wilt! Is there a link to the testing? I would be interested in seeing which cards didn't make the cut.

With the exception of the EZ Balance, I own the others and have completed my own tests.

The EZ Balance is based upon assessment of someone I trust; I would not hesitate to buy one, based upon his test.


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Bearmann
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Jun 04, 2015 14:59 |  #9

Thanks Wilt!

I rarely use the Whibal for WB, but don't use anything for exposure. I keep it in my camera bag to remind me of those rare occasions when I should have used it, but didn't. Generally, I WB to taste. YUK!!! Too salty!!!  :p Ahhhh............just right! :mrgreen:


Barry

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firme
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Jun 08, 2015 00:38 |  #10

Thank you all for the replies, help and links. This has really helped me. I have read online it is not used as much while others still use the card. I guess everyone has their own methods.

As I am still an amateur, just trying to learn as much as I can and the correct method before I develop my own method.

I take family pictures once in a while at gatherings and I give them to family after pp. But sometimes family won't say anything negative. Just wanting to get better as hopefully when I do get a paying job, I will provide good pictures to the client. Thanks again.




  
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