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04-16-2019, 04:14 AM - 1 Like   #991
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QuoteOriginally posted by neal_grillot Quote
Posting here as I am sure most of you all will know..

I have RT 5.5 and am using it for Pixel Shift processing of a RAW .DNG file. My issue is when I try to save it to a 16 bit TIFF file to a folder, for further editing in LR, LR cannot find it. when I go into the folder there is a file with a .dng.pp3 extension.
I have tried a save and added it to the queue, careful to select to the destination folder and 16bit TIFF

How do I get it to save and format correctly so I can continue in LR
I found the file; not sure what I did differently though. thanks everyone

04-16-2019, 11:25 AM   #992
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Path Beside the Staunton River (DFA 24-70mm/pixel shift)

04-17-2019, 05:49 AM - 2 Likes   #993
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Sunrise and Railroad Tracks (DFA 24-70mm/pixel shift)

04-18-2019, 12:31 PM - 3 Likes   #994
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K-1 MarkII Sigma 24 1.8. PS developed with RT 5.5 finished in LR

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04-19-2019, 04:24 AM - 2 Likes   #995
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Staunton River (DFA 24-70mm/pixel shift)

04-20-2019, 02:29 AM - 3 Likes   #996
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04-20-2019, 06:38 AM - 2 Likes   #997
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Tractor and Full Moon (DFA 24-70mm/pixel shift)

04-21-2019, 09:23 AM - 2 Likes   #998
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After the Loggers (DFA 24-70mm/pixel shift)



04-28-2019, 05:59 PM   #999
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20mm FF lens ?

Hi
MY QUESTION: What's the sharpest 20mm FF lens (third party lens ok) option for k1 that has filter threads (no funky hood thread adapters) and little or no vignette issues when using the screw on filter GND.

Here's what I'm doing with it.
Now that I have a Pentax K1, I would like to produce an image using the whole sensor (not crop mode) to produce the largest sharpest print I've ever made. This is to be a landscape shot with the subject matter in each corner that needs to be sharp. This will be a pixel-shift shot with nothing moving in the scene. This will have nothing closer than 20ft in the foreground and all in focus out to the clouds, so the f stop may be about 11 to help with corner sharpness and DOF.

Thanks for any help.
04-28-2019, 08:15 PM   #1000
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QuoteOriginally posted by digitaldaydreams Quote
so the f stop may be about 11 to help with corner sharpness and DOF.
For more sharpness with PS, f5.6 is better than f11. Diffraction already limits details at f11. For lens selection, go to lens reviews / database in Pentax forums.
04-28-2019, 09:31 PM   #1001
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QuoteOriginally posted by biz-engineer Quote
For more sharpness with PS, f5.6 is better than f11. Diffraction already limits details at f11. For lens selection, go to lens reviews / database in Pentax forums.
Can you give an example of any wide lens that is sharp in the corners at f5.6? I just tested 10 of my lenses. While many had nice centers at F8 None had good sharp corners until F11 and beyond.
My pentax F28 lens had to hit Fstop 14 to get sharp corners.
04-29-2019, 12:05 AM   #1002
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QuoteOriginally posted by digitaldaydreams Quote
Can you give an example of any wide lens that is sharp in the corners at f5.6?
It's not the right thread to discuss lenses. This thread is dedicated to posting pixel shifted images. Usually, f2.8 and faster lenses peak overall resiution. at f5.6.
04-29-2019, 12:41 AM   #1003
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QuoteOriginally posted by biz-engineer Quote
It's not the right thread to discuss lenses. This thread is dedicated to posting pixel shifted images.


QuoteOriginally posted by biz-engineer Quote
Usually, f2.8 and faster lenses peak overall restitution. at f5.6.
The real limit before diffraction on Pentax K-1 is f:6.3.
Best regards.
04-29-2019, 01:38 AM   #1004
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44mm Mean



04-29-2019, 02:30 AM   #1005
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QuoteOriginally posted by biz-engineer Quote
It's not the right thread to discuss lenses. This thread is dedicated to posting pixel shifted images. Usually, f2.8 and faster lenses peak overall resiution. at f5.6.
Thanks, Ill try another thread
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