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dm1dave

Lowden, US
12531 posts

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"RE: Would Love Critique on How I used CNX2"

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Nikonian since 12th Sep 2006
Sun 09-Jan-11 11:52 PM

“…what are we referring to when we state level?”

The basic purpose of the Levels adjustment is to define the area were true black (the black point) and true white (the white point) show up in the image.

Below is a histogram from one of my shots. Notice that there is a large gap on both the right and left sides between the graph and the end walls. This shows that the blacks in the image are being displayed as a dark gray and the whites are displayed as a light gray.

Click on image to view larger version


When you drag the sliders over to meet the histogram you are defining the ends of the chart as the black and white points. You can (and many people prefer to) use the Gray Point, Black Point and White Point tools to chose these areas in the image and you will get a similar result. I tend to use the Levels sliders as below…

Click on image to view larger version


Sometimes it can help an image to move the left hand slider a little past the end of the chart. This can make the image more contrast and add some pop. This is a case by case thing though as it can be a bit over the top on some images.





Attachment #1, (jpg file)
Attachment #2, (jpg file)

Dave Summers
Lowden, Iowa
Nikonians Photo Contest Director
Nikonians membership -
"My most important photographic investment, after the camera"
My Nikonians Gallery | SummersPhotoGraphic.com | My Crated Gallery
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Click on image to view larger version
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This is a hot, active topic! Would Love Critique on How I used CNX2 [View all] , JerryLoSardo Gold Member, Sun 09-Jan-11 10:55 AM
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