April BW Assignment/Challenge: Depth of Field (DoF) - Page 5
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Old 04-11-2017   #41
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Thanks Scoundrel. Yeah, I should have tried some tighter F-stops. I shot this Sunday afternoon in my living room and was loosing the light. I may try it again this weekend. You deciphered the blur perfectly. The man is me, I'm 50 though I'd take 30 even if I have to walk around blurry all the time.
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Old 04-16-2017   #42
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

`


Being as DoF is sort of just illusion ... basically the degree
to which out of focus items appear approximately focused,
DoF can be due to, literally, less blur. But blur is perceived
subjectively. There's a lotta bright white highlight detail in
this shot due to the shiny brass and the hard lighting. Thus
DoF looks deeper than it would with softer lighting, and if
the subject matter were lacking in shiny objects

The actual aperture is only f/2.8 ... altho the 40mm lens
on the FF format lends a hand as well, being slightly short
for a normal lens.

Kristof_8558 E1 GS WS.jpg

I think a warm tone also aids in the enhancement of the
apparent DoF. No science there, just a feeling.



`
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Old 04-16-2017   #43
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

What an interesting observation, Golem, and accompanying demonstration, I don't believe that I have ever heard DOF explained in quite those terms. Thanks once again for your contribution to this challenge.
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Old 04-20-2017   #44
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Here's some shallow DOF, probably too shallow, but that's what the light allowed when i decided to shoot it.

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Old 04-20-2017   #45
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Quote:
Originally Posted by alanbutler57 View Post
Here's some shallow DOF, probably too shallow, but that's what the light allowed when i decided to shoot it.

The DOF is a bit shallow on this take, Alan, but the ISO of Xray film tends to be lower than most of the standard BW films so this is what you get. I do like where you placed the plane of focus though. Thanks for keeping this Challenge going, it is most appreciated.
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Old 04-28-2017   #46
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Black and white train tracks.jpg
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Old 04-28-2017   #47
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Oh geez, you posted an image of railroad tracks. Now the internet police will be all over you for standing on the tracks. You could have gotten hit by a train, they are quite quiet for their size, faster moving than you think, and so on.

But the depth and leading lines is nice. Could be a bit more vertical and not lean a bit to the left, but a nice shot to meet the challenge.
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Old 04-28-2017   #48
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

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The plane of focus is visible and as Mr. P. noted, the leading lines are nice. Thanks for your contribution to this challenge.
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Old 04-28-2017   #49
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Quote:
Originally Posted by alanbutler57 View Post
Here's some shallow DOF, probably too shallow, but that's what the light allowed when i decided to shoot it.

Some of that blur has a directional character, especially about the dog's nose. I posit that component as likely to be motion blur.
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Old 04-28-2017   #50
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Default Re: April BW Assignment/Challenge: Depth of Field (DoF)

Even with the iphone you can get narrow DOF if needed. My wife has some connections to one of the KC Chiefs players and he got us some tickets to a game. Here is a note attached to them from his wife who took care of the details since during the season those guys are busy all the time. I painted out her phone number for obvious reasons. Paul


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