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Re: [Digital BW] [OT] 24mm v. 35mm stitched

2014-04-17 by Ernst Dinkla

On 17-04-14 01:51, Paul Roark wrote:
> = Chris =- <baudec@...> wrote:
>
>>
>>
>> ...The Zony (Zeiss/Sony) looks great.  In a couple of lines how many
>> pictures were stitched?
>>
>
> I stitched 3 vertical shots with the Sony 35mm, usig 1/3 overlap (rule of
> thirds grid lines help).  I used PS CC stitching, with the "cylindrical"
> option selected.  It was a quick test, not as wide as the 24mm (I often use
> 6 frames for a pan).
>
> I was just curious how the Canon TS would hold up (not well).  The 24 TS is
> going to be used only for a very limited set of shots.  (The 24-105 Canon L
> zoom is way worse at the edge at 24mm and f/5.6.)
>
> Regarding my comment about the sharpness of the stitched approach being
> able to be increased by first increasing the file size/resolution 200% by
> one of the smart re-sizing programs (like the "automatic" option of PS CC
> image size resampling) see
> http://paulroark.com/Perfect-Resize-comparison.jpg .  Any time the geometry
> of an image is changed we lose some information.  Using a good resampling
> program first limits the effective loss.
>
> Paul
> www.PaulRoark.com
>

I wonder where in that workflow you could introduce deconvolution 
sharpening for that 24mm. Based on what Bart van der Wolf explained and 
made available:

http://www.luminous-landscape.com/fo...?topic=68089.0
http://bvdwolf.home.xs4all.nl/main/f...antedEdge.html

A tool to pinpoint the sharpening and not overdo it.


-- 
Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
January 2014, 600+ inkjet media white spectral plots.

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