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Old May 6th, 2012, 03:37 PM
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Tim L. Walker Tim L. Walker is offline
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Improve Your Photographs with Depth of Field

Article: Improve Your Photographs with Depth of Field
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Old May 7th, 2012, 12:01 PM
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Re: Improve Your Photographs with Depth of Field

That is the simplest explanation of DOF I have everr read. It is also the best. I wish I had written it. This will make a good reference for those new to photography and any others that do not know how to use DOF to their advantage.


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Old May 11th, 2012, 04:08 AM
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Re: Improve Your Photographs with Depth of Field

Very well done, simple and straight forward with a good example photo.
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Old May 14th, 2012, 03:02 PM
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Re: Improve Your Photographs with Depth of Field

Very nice article. There's actually a photographer for the paper in Buffalo whose material I recognize instantly solely because of his love of shallow DOF. The first picture I can think of was of the defendant of a big trial in Buffalo. My favorite photo was of the defendant sitting between his two lawyers. He was in perfect focus, and the lawyers sitting on either side of him were blurred out. By far my favorite photo from the paper ever.
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Old May 16th, 2012, 11:50 PM
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Re: Improve Your Photographs with Depth of Field

this is the simplest explanation of DOF I've ever read and thanx for sharing , it really helps a lot !
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Old May 17th, 2012, 11:40 AM
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Re: Improve Your Photographs with Depth of Field

I think the article is a short, succinct primer on the topic. I do take issue with the statement:
"As you close down the diaphragm, going from F 2 to F 16, this diffraction decreases, because less light is going through the lens."

I believe the opposite is true, ie diffraction INCREASES as you stop down. There is some offset initially (ie wider to mid apertures) due to less lens aberration as you stop down, but increasingly diffraction prevails as you use smaller apertures. Note how light "bends" at an edge, ie shutter diaphragm blades. As a greater and greater percent of the light is passing over these "edges" with smaller apertures, there is a more prominent diffraction issue.

At the risk of complicating things, I'd like to reiterate that DOF is a RELATIVE measurement. The amount of fore/aft distance that is in acceptable focus at any given aperture is a function of how far it is to the subject....with any given focal length lens. If you keep the subject dimensionally same within the frame, using ANY focal length lens will give you the same DOF at any given aperture....albeit you'll have to backup if using telephotos or get closer if using wider angle lenses to keep the subject the same dimension.

One should understand how to use DOF to "cheat" the placement of your subject relative to the focal point, ie if you want either the elements in front or behind your subject to be more blurred than if focused exactly on the subject, front (to increase blur aft) or back focus (to blur fore) within the acceptable DOF.
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Old June 5th, 2012, 02:37 AM
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Re: Improve Your Photographs with Depth of Field

Great stuff!!
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Old August 9th, 2012, 11:17 PM
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Re: Improve Your Photographs with Depth of Field

Before going to detailed terms of photography do you understand the term depth of field. Though it is tough to imply practically but in actual sense it means the distance between the nearest and the farthest object that gets captured sharply in a photograph. I came to know this term when I was doing training in photography. Above all the articles posted above is really a good stuff. Thanks for the posting.
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Old October 22nd, 2012, 09:50 AM
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Re: Improve Your Photographs with Depth of Field

Great write up. I will have to remember that this is here next time someone asks me to explain DOF to them.
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Old October 23rd, 2012, 03:16 PM
mrskhernandez mrskhernandez is offline
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Re: Improve Your Photographs with Depth of Field

Thank you sooo much for posting this! It's a really helpful article that breaks it down in an easy to understand sort of way. I especially like the idea of practicing by using a ruler or yard stick to get a feel for what you're doing. This is something I am really struggling with right now, and I'm so happy with the timing of this article! I'm going to have to start keeping a notebook to keep myself on track with my learning.
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