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A few birds and auto-focus be damned.



 
 
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  #1  
Old April 4th 18, 12:56 AM posted to rec.photo.digital
PeterN[_7_]
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Posts: 1,161
Default A few birds and auto-focus be damned.

On 3/16/2018 12:34 PM, Savageduck wrote:

snip


The important thing to remember when it comes to IS/OS/VR is that it is there
to provide a fix for camera shake, not subject movement, and once you have a
shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter speed
should freeze all subject movement. Since you shot those ducks at 1/2000 you
could probably have managed without IS.

I usually turn off IR for any critter tracking, as it slows down the
tracking a tad. The shutter speed stability depends on the user's
individual hand stability, speed of the critter, and the focal length of
the lens.


--
PeterN
  #2  
Old April 4th 18, 01:14 AM posted to rec.photo.digital
nospam
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Posts: 24,165
Default A few birds and auto-focus be damned.

In article , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there
to provide a fix for camera shake, not subject movement, and once you have a
shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed
should freeze all subject movement. Since you shot those ducks at 1/2000 you
could probably have managed without IS.


I usually turn off IR for any critter tracking,


be sure to leave uv on.

as it slows down the
tracking a tad.


actually it doesn't, since stabilization is an independent system which
keeps the subject steady in the frame, making it *easier* for focus
tracking to work.

The shutter speed stability depends on the user's
individual hand stability, speed of the critter, and the focal length of
the lens.


the shutter speed stability depends on the shutter mechanism.
  #3  
Old April 4th 18, 01:36 AM posted to rec.photo.digital
Savageduck[_3_]
external usenet poster
 
Posts: 16,487
Default A few birds and auto-focus be damned.

On Apr 3, 2018, PeterN wrote
(in article ):

On 3/16/2018 12:34 PM, Savageduck wrote:

snip


The important thing to remember when it comes to IS/OS/VR is that it is
there to provide a fix for camera shake, not subject movement, and once you have a
shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed should freeze all subject movement. Since you shot those ducks at 1/2000 you
could probably have managed without IS.

I usually turn off IR for any critter tracking, as it slows down the
tracking a tad. The shutter speed stability depends on the user's
individual hand stability, speed of the critter, and the focal length of
the lens.


I am not too sure that “shutter speed stability” is the term you are
looking for. This is the first time I have heard it used.

If when shooting handheld, and you have a static target/subject, relatively
slow shutter speed (usually slower than 1/120-1/80), and a longer focal
length IBIS, or ILIS (IS/OS/VR) is going to be a great help.The greatest
benefit will be found with handheld landscapes, or portraits.

When it comes to moving targets/subjects a shutter speed, direction of
movement relative to the photographer, and camera handling techniques are
going to be far more beneficial than any mechanical stabilization. The only
time stabilization can help with a moving target/subject is when the movement
is directly away, or towards the photographer. When shooting with a panning
motion the camera is stabilized by the inertia imparted to the camera system
by the lateral movement of the camera tracking the target.

--

Regards,
Savageduck

  #4  
Old April 4th 18, 01:41 AM posted to rec.photo.digital
Savageduck[_3_]
external usenet poster
 
Posts: 16,487
Default A few birds and auto-focus be damned.

On Apr 3, 2018, nospam wrote
(in ) :

In , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there to provide a fix for camera shake, not subject movement, and once you have
a shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed should freeze all subject movement. Since you shot those ducks at 1/2000
you could probably have managed without IS.


I usually turn off IR for any critter tracking,


be sure to leave uv on.


UV?

--

Regards,
Savageduck

  #5  
Old April 4th 18, 01:43 AM posted to rec.photo.digital
nospam
external usenet poster
 
Posts: 24,165
Default A few birds and auto-focus be damned.

In article .com,
Savageduck wrote:

speed should freeze all subject movement. Since you shot those ducks at
1/2000 you could probably have managed without IS.

I usually turn off IR for any critter tracking,


be sure to leave uv on.


UV?


read what he wrote again.
  #6  
Old April 4th 18, 01:46 AM posted to rec.photo.digital
Bill W
external usenet poster
 
Posts: 1,692
Default A few birds and auto-focus be damned.

On Tue, 03 Apr 2018 17:41:28 -0700, Savageduck
wrote:

On Apr 3, 2018, nospam wrote
(in ) :

In , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there to provide a fix for camera shake, not subject movement, and once you have
a shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed should freeze all subject movement. Since you shot those ducks at 1/2000
you could probably have managed without IS.

I usually turn off IR for any critter tracking,


be sure to leave uv on.


UV?


You're slipping...
  #7  
Old April 4th 18, 01:52 AM posted to rec.photo.digital
Savageduck[_3_]
external usenet poster
 
Posts: 16,487
Default A few birds and auto-focus be damned.

On Apr 3, 2018, Bill W wrote
(in ):

On Tue, 03 Apr 2018 17:41:28 -0700, Savageduck
wrote:

On Apr 3, 2018, nospam wrote
(in ) :

In , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there to provide a fix for camera shake, not subject movement, and once
you have
a shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed should freeze all subject movement. Since you shot those ducks at
1/2000
you could probably have managed without IS.

I usually turn off IR for any critter tracking,

be sure to leave uv on.


UV?


You're slipping...


OK! OK! I missed Peter’s typo goof.

--

Regards,
Savageduck

  #8  
Old April 4th 18, 01:53 AM posted to rec.photo.digital
Savageduck[_3_]
external usenet poster
 
Posts: 16,487
Default A few birds and auto-focus be damned.

On Apr 3, 2018, nospam wrote
(in ) :

In iganews.com,
Savageduck wrote:

speed should freeze all subject movement. Since you shot those ducks at
1/2000 you could probably have managed without IS.

I usually turn off IR for any critter tracking,

be sure to leave uv on.


UV?


read what he wrote again.


Nevermind. I missed the goof.

--

Regards,
Savageduck

  #9  
Old April 4th 18, 02:22 AM posted to rec.photo.digital
Bill W
external usenet poster
 
Posts: 1,692
Default A few birds and auto-focus be damned.

On Tue, 03 Apr 2018 17:52:57 -0700, Savageduck
wrote:

On Apr 3, 2018, Bill W wrote
(in ):

On Tue, 03 Apr 2018 17:41:28 -0700, Savageduck
wrote:

On Apr 3, 2018, nospam wrote
(in ) :

In , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there to provide a fix for camera shake, not subject movement, and once
you have
a shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed should freeze all subject movement. Since you shot those ducks at
1/2000
you could probably have managed without IS.

I usually turn off IR for any critter tracking,

be sure to leave uv on.

UV?


You're slipping...


OK! OK! I missed Peters typo goof.


It's okay. We're a forgiving lot around here.
  #10  
Old April 4th 18, 06:59 PM posted to rec.photo.digital
PeterN[_7_]
external usenet poster
 
Posts: 1,161
Default A few birds and auto-focus be damned.

On 4/3/2018 8:14 PM, nospam wrote:
In article , PeterN
wrote:

The important thing to remember when it comes to IS/OS/VR is that it is
there
to provide a fix for camera shake, not subject movement, and once you have a
shutter speed over 1/500 sec IS/OS/VR is irrelevant as the high shutter
speed
should freeze all subject movement. Since you shot those ducks at 1/2000 you
could probably have managed without IS.


I usually turn off IR for any critter tracking,


be sure to leave uv on.


So I made an obvious typo.


as it slows down the
tracking a tad.


actually it doesn't, since stabilization is an independent system which
keeps the subject steady in the frame, making it *easier* for focus
tracking to work.


it takes time to stabilize. This image would not be the same with
stabilization.

https://www.dropbox.com/s/ji4rs200lj32o9o/20180319_bIRDS%20wakotahatchee_0627.jpg?dl=0

The shutter speed stability depends on the user's
individual hand stability, speed of the critter, and the focal length of
the lens.


the shutter speed stability depends on the shutter mechanism.



--
PeterN
 




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