Archived posting to the Leica Users Group, 2008/11/25

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Subject: [Leica] CS4 Extended Depth of Field Trial
From: robertmeier at usjet.net (Robert Meier)
Date: Tue Nov 25 10:03:33 2008
References: <200811250504.mAP54RTB031406@server1.waverley.reid.org><BLU121-DS7FE0F3D1DCB78FA951FDFD40B0@phx.gbl> <492C2870.60806@tele2.fr>

Have you tried just stopping down?


> Have you tried with focus points that are much further apart?
>
> Nice one this dial was in any case - lovely tones too.
> thanks for sharing
> Phx
>
> Aram Langhans wrote:
>
>>My understanding is that it looks at each layer (photo taken with a
>>different focal point) and looks for the sharpest details and masks the 
>>rest
>>of the photo.  When it is all done, you can look at each layer and see 
>>what
>>is has chosen as "in focus" and see how it masks the rest out.  Not sure
>>what it did in the case of the leaves that were moving.  It is really
>>remarkable.
>>
>>I put my Leica 35-70/4 on my Rebel XTi and set it up on a tripod.  I used
>>f-4 or 1/2 stop down (I forgot) and focused on the front of the sundial,
>>then gradually moved the focus point further back until about 6 exposures
>>later, I was focused on the back of the sundial.  I plan on trying a much
>>deeper trial maybe today. I'll pick a subject w/o any moving leaves or
>>objects this time.  I was going to try my picket fence, but thought that
>>would be too academic and boring.  Sundials are more interesting to me.
>>
>>Aram
>>
>>
>>
>>>Date: Mon, 24 Nov 2008 19:05:16 -0800
>>>From: mehrdad <msadat@gmail.com>
>>>Subject: Re: [Leica] CS4 Extended Depth of Field Trial
>>>To: "Leica Users Group" <lug@leica-users.org>
>>>Message-ID:
>>> <440b792d0811241905p7f686d36s66d5fbc4c47a5e73@mail.gmail.com>
>>>Content-Type: text/plain; charset=ISO-8859-1
>>>
>>>what does it do>? does blur the surrounding?
>>>
>>>
>>>On Mon, Nov 24, 2008 at 6:56 PM, Aram Langhans <leicar@q.com> wrote:
>>>
>>>
>>>>Here is an attempt at using PS CS4's Extended DOF feature.  It is a
>>>>
>>>blend
>>>
>>>>of
>>>>6 images.  It looks a bit funny because the wind was blowing around
>>>>
>>>some of
>>>
>>>>the leaves, so some are ghostly in appearance.  I kind of like that,
>>>>
>>>but
>>>
>>>>that was not the purpose.  I just wanted to give the new feature a
>>>>
>>>try.
>>>
>>>>Anyone have some better examples?
>>>>
>>>><
>>>>http://gallery.leica-users.org/v/Aram/misc/sundial-fall-9911-
>>>>
>>>Edit.jpg.html
>>>
>>>>http://tinyurl.com/5na5zu
>>>>
>>>>
>>>>Comments welcome.
>>>>
>>>>Aram
>>
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>>9:03 AM
>>
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>
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In reply to: Message from leicar at q.com (Aram Langhans) ([Leica] CS4 Extended Depth of Field Trial)
Message from philippe.amard at tele2.fr (Philippe AMARD) ([Leica] CS4 Extended Depth of Field Trial)