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Depth of field - two of them?



 
 
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  #1  
Old January 15th 19, 03:55 PM posted to rec.photo.digital
Commander Kinsey
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Posts: 548
Default Depth of field - two of them?

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode 26.
It appears to have two planes of focus, one centred on the right eye of the man in the foreground, and one on the right side of the chest of the man in the background. Two cameras with superimposing? Or some effect put in afterwards?
  #2  
Old January 15th 19, 04:19 PM posted to rec.photo.digital
nospam
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Posts: 24,165
Default Depth of field - two of them?

In article , Commander Kinsey
wrote:

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode 26.
It appears to have two planes of focus, one centred on the right eye of the
man in the foreground, and one on the right side of the chest of the man in
the background. Two cameras with superimposing? Or some effect put in
afterwards?


it's not two planes of focus.
  #3  
Old January 15th 19, 10:24 PM posted to rec.photo.digital
David B.[_5_]
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Posts: 117
Default Depth of field - two of them?

On 15/01/2019 15:19, nospam wrote:
In article , Commander Kinsey
wrote:

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode 26.
It appears to have two planes of focus, one centred on the right eye of the
man in the foreground, and one on the right side of the chest of the man in
the background. Two cameras with superimposing? Or some effect put in
afterwards?


it's not two planes of focus.


Why is the left hand side of the body of the man in the background so
out of focus?

--
David B.
  #4  
Old January 15th 19, 10:45 PM posted to rec.photo.digital
nospam
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Posts: 24,165
Default Depth of field - two of them?

In article , David B.
wrote:

Why is the left hand side of the body of the man in the background so
out of focus?


because that's what the director wanted.
  #5  
Old January 15th 19, 10:52 PM posted to rec.photo.digital
David B.[_5_]
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Posts: 117
Default Depth of field - two of them?

On 15/01/2019 21:45, nospam wrote:
In article , David B.
wrote:

Why is the left hand side of the body of the man in the background so
out of focus?


because that's what the director wanted.


You are GUESSING again!

https://i.imgur.com/ehnp4m0.jpg

--
David B.
  #6  
Old January 15th 19, 10:53 PM posted to rec.photo.digital
nospam
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Posts: 24,165
Default Depth of field - two of them?

In article , David B.
wrote:

Why is the left hand side of the body of the man in the background so
out of focus?


because that's what the director wanted.


You are GUESSING again!


nope.

https://


spam.
  #7  
Old January 15th 19, 11:50 PM posted to rec.photo.digital
Commander Kinsey
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Posts: 548
Default Depth of field - two of them?

On Tue, 15 Jan 2019 22:14:49 -0000, Andy Blanchard wrote:

On Tue, 15 Jan 2019 14:55:31 -0000, "Commander Kinsey"
wrote:

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode 26.
It appears to have two planes of focus, one centred on the right eye of the man in the foreground, and one on the right side of the chest of the man in the background. Two cameras with superimposing? Or some effect put in afterwards?


Possibly a post-processing effect, but another option might be that a
perspective correcting lens was used to apply some swing to the plane of
focus. Looks very much like there's a single plane of focus from Data's
right eye (our left) through the Borg, and on to the wall in the
background, which is very much an effect these lenses can achieve.

Not sure whether that's a physical option for the cameras used for
ST:TNG though...


Yes it does look that way, it sounds interesting, how can a lens do such a thing? And yes I did try google and only got unrelated results.
  #8  
Old January 16th 19, 12:00 AM posted to rec.photo.digital
Ron C
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Posts: 415
Default Depth of field - two of them?

On 1/15/2019 5:50 PM, Commander Kinsey wrote:
On Tue, 15 Jan 2019 22:14:49 -0000, Andy Blanchard
wrote:

On Tue, 15 Jan 2019 14:55:31 -0000, "Commander Kinsey"
wrote:

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode
26.
It appears to have two planes of focus, one centred on the right eye
of the man in the foreground, and one on the right side of the chest
of the man in the background.* Two cameras with superimposing?* Or
some effect put in afterwards?


Possibly a post-processing effect, but another option might be that a
perspective correcting lens was used to apply some swing to the plane of
focus.* Looks very much like there's a single plane of focus from Data's
right eye (our left) through the Borg, and on to the wall in the
background, which is very much an effect these lenses can achieve.

Not sure whether that's a physical option for the cameras used for
ST:TNG though...


Yes it does look that way, it sounds interesting, how can a lens do such
a thing?* And yes I did try google and only got unrelated results.


Google Scheimpflug Rule
--
==
Later...
Ron C
--

  #9  
Old January 16th 19, 01:27 AM posted to rec.photo.digital
Jeff
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Posts: 48
Default Depth of field - two of them?

"Commander Kinsey" wrote in
news
https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode
26. It appears to have two planes of focus, one centred on the right eye
of the man in the foreground, and one on the right side of the chest of
the man in the background. Two cameras with superimposing? Or some
effect put in afterwards?


Going by the still and not seeing the video I would assume the Borg is a
chromakeyed background since the lighting is quite different on them.
  #10  
Old January 16th 19, 01:50 AM posted to rec.photo.digital
Commander Kinsey
external usenet poster
 
Posts: 548
Default Depth of field - two of them?

On Tue, 15 Jan 2019 23:00:09 -0000, Ron C wrote:

On 1/15/2019 5:50 PM, Commander Kinsey wrote:
On Tue, 15 Jan 2019 22:14:49 -0000, Andy Blanchard
wrote:

On Tue, 15 Jan 2019 14:55:31 -0000, "Commander Kinsey"
wrote:

https://www.dropbox.com/s/ctqungbvve...field.jpg?dl=0
This is a snapshot of Startrek The Next Generation, Season 6, Episode
26.
It appears to have two planes of focus, one centred on the right eye
of the man in the foreground, and one on the right side of the chest
of the man in the background. Two cameras with superimposing? Or
some effect put in afterwards?

Possibly a post-processing effect, but another option might be that a
perspective correcting lens was used to apply some swing to the plane of
focus. Looks very much like there's a single plane of focus from Data's
right eye (our left) through the Borg, and on to the wall in the
background, which is very much an effect these lenses can achieve.

Not sure whether that's a physical option for the cameras used for
ST:TNG though...


Yes it does look that way, it sounds interesting, how can a lens do such
a thing? And yes I did try google and only got unrelated results.


Google Scheimpflug Rule


Cool! Especially this:
https://en.wikipedia.org/wiki/Scheim...odel_train.jpg
I'm surprised this isn't used more often.
 




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