PTGui 12.1 "Automatic exposure and color adjustment" issue

[Roland Rick]

Hi Joost

PTgui Pro 12.1, MacOS Big Sur

Mavic 2 Pro, DNG files.

Vignetting is not fully removed by [Optimize now!]

Will of course share the DNG with you for analysing, please send a Dropbox link for uploading or a mail address for WeTransfer by personal message.

Data size a little bit more than 1 GB

Cheers, Roland

[Erik Krause]

Am 12.04.21 um 11:52 schrieb Roland Rick:

> Mavic 2 Pro, DNG files.
>
> Vignetting is not fully removed by [Optimize now!]

We had at least two requests in the past few weeks where a Mavic caused
a strange kind of colored vignetting (which PTGui can't correct).
Although this doesn't seem to be the case here, could you try converting
the DNGs to 16-bit TIFFs using Lightroom, ACR or similar and see if
using them solves the problem?

--
Erik Krause

[Roland Rick]

Yes, of course, no problem converting to tiff, etc.

Wrote the info just for your convenience. ;)

Best regards, Roland

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[Tom Sharpless]

This could be due to polarization.

[Erik Krause]

Am 12.04.2021 um 16:52 schrieb Roland Rick:

> Yes, of course, no problem converting to tiff, etc.

Does it help with the vignetting issue?

--
Erik Krause
http://www.erik-krause.de

[Roland Rick]

Yes, of course. I normally always go that route. Just tried the raw/dng thing since I installed 12.x

Von meinem iPhone gesendet

> Am 12.04.2021 um 19:01 schrieb Erik Krause <erik....@gmx.de>:

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[Roland Rick]

No pol filters used - if you mean that. However, it’s no problem first getting rid of vignette by raw editing (I normally use C1 for this), export to jpg and stitch those. 

Von meinem iPhone gesendet

Am 12.04.2021 um 17:40 schrieb Tom Sharpless <tksha...@gmail.com>:

This could be due to polarization.

To view this discussion on the web visit https://groups.google.com/d/msgid/ptgui/639f8b74-71e4-4dca-9c45-3577df92a96en%40googlegroups.com.