Archived posting to the Leica Users Group, 2014/02/24

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Subject: [Leica] Janin Acres - Sony stitch
From: curtisbliss at yahoo.com (CB)
Date: Mon, 24 Feb 2014 18:52:42 -0600
References: <CAJ3Pgh5y+M0BF7FHtcJsd70UJXS5_YeFwAxDA9hMShvtNfB8tw@mail.gmail.com> <CF313AE7.18A33%mark@rabinergroup.com> <CAJ3Pgh7OggWdpxcbsh9RECWDKd5PqPzz+Ra067Bt7EDnzQ=5yg@mail.gmail.com>

Great looking picture!

CB's

Ipad

On Feb 24, 2014, at 6:45 PM, Paul Roark <roark.paul at gmail.com> wrote:

> The shot was with the Sony a7r.
> 
> Paul
> 
> 
> On Mon, Feb 24, 2014 at 3:07 PM, Mark Rabiner <mark at rabinergroup.com> 
> wrote:
> 
>> Great shot which Sony!?!?
>> 
>> 
>> On 2/24/14 5:40 PM, "Paul Roark" <roark.paul at gmail.com> wrote:
>> 
>>> This -- http://www.paulroark.com/JA-254-8-Feb22.jpg -- is a shot I took
>> the
>>> other day in an area we like to walk the dog off leash.  I used the Sony
>>> with it's 35mm FE lens.
>>> 
>>> Four shots, all auto-exposure, captured the information.  The level and
>>> grid lines in the viewfinder help capturing these types of images.  In
>> ACR
>>> I eliminated vignetting.  I also used the exposure adjustment to
>> coordinate
>>> the exposures (in part off-setting the fact that I did not switch to
>> total
>>> manual exposure and have all shots be the same.  In adjusting the
>> exposure
>>> in ACR, I moved the graph's "humps" into a pattern that decreased
>> slightly
>>> going from the bright right side, where the sun was just outside the
>> frame,
>>> to the left side.  Cylindrical stitching in PS CC worked well.  The final
>>> is about 6Kx12K pixels.  To preserve detail, I actually increased the
>> image
>>> resolustion 200% before stitching, then reducing it back 50% after the
>>> stitch.  The PS CC "auto" mode image sizing is great for this purpose.
>> The
>>> stitching takes about 15 minutes on an i7 with 16 gb ram -- just enough
>>> time to get a snack.
>>> 
>>> Paul
>>> www.PaulRoark.com
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
>> 
>> 
>> --
>> Mark William Rabiner
>> Photographer
>> http://gallery.leica-users.org/v/lugalrabs/
>> 
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from roark.paul at gmail.com (Paul Roark) ([Leica] Janin Acres - Sony stitch)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] Janin Acres - Sony stitch)
Message from roark.paul at gmail.com (Paul Roark) ([Leica] Janin Acres - Sony stitch)