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

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Subject: [Leica] Janin Acres - Sony stitch
From: jayanand at gmail.com (Jayanand Govindaraj)
Date: Tue, 25 Feb 2014 06:57:09 +0530
References: <CAJ3Pgh5y+M0BF7FHtcJsd70UJXS5_YeFwAxDA9hMShvtNfB8tw@mail.gmail.com>

Super
Cheers
Jayanand

Sent from my iPad

> On 25-Feb-2014, at 4:10 am, 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
> 
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In reply to: Message from roark.paul at gmail.com (Paul Roark) ([Leica] Janin Acres - Sony stitch)