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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 06 Aug 2007 (Monday) 21:53
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How to prevent clipping?

 
Michelle ­ Davies
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Aug 06, 2007 21:53 |  #1

i just got a sigma 30mm and have been noticing lots of clipping with this lens. can someone please tell me how to prevent it? thanks!




  
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JaertX
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Aug 06, 2007 21:55 |  #2

shouldn't really be a function of the lens?

http://en.wikipedia.or​g/wiki/Clipper (external link)


Jason - I use Canon and stuff

  
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JaertX
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Aug 06, 2007 21:56 |  #3

but really...in general, just learn to watch your histogram. no reason a lens should change things.


Jason - I use Canon and stuff

  
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CyberDyneSystems
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Aug 06, 2007 22:07 |  #4

Can you elaborate on what you mean by clipping? Jason has the normal use above, but I am thinking maybe you are talking about Vignette since you mention the lens?

Maybe?


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Michelle ­ Davies
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Aug 07, 2007 09:07 as a reply to  @ CyberDyneSystems's post |  #5

when i view the histogram i definitely have the middle covered but the right and the left both have flat lines.




  
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Radtech1
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Aug 07, 2007 10:10 as a reply to  @ Michelle Davies's post |  #6

Please do a screenshot of the histogram and post it, along with the image that the histogram represents. That would help make sense of what you are asking. See, when you say "flat lines" is the flat horizontal or vertical? The word "flat", to me, means horizontal, but horizontal lines are not clipping.

Also, what happens with a different subject?

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Tee ­ Why
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Aug 07, 2007 12:51 |  #7

Basically the scene is too dynamic for the lens to capture the range of lighting available if there are over and under exposed areas of the shot.

Dslr's don't have the dynamic range that films do. If possible using polarizer or an ND filter or HDR may help. Shooting in RAW is suppose to give about an extra stop of range as well that you can recover while processing.


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gooble
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Aug 07, 2007 13:56 |  #8

Clipped values in a histogram typically have a positive slope that runs into the right border of the histogram.




  
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How to prevent clipping?
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