pex format pictures

junkone

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i took pictures in pentax raw format. when i load it in picassa, it looks good for few sec, and then it gets a bluish tint. how do i avoid it.
 
Which camera have you got? And did you update to the latest version of Picasa? When the k20D first came out there was an issue with Picasa recognising the white balance settings of the RAW files from the K20 - they generated this blue tint. It was fixed in subsequent picasa versions. Don't worry though - the programme won't actually save changes to the RAW files unless you tell it to, so nothing is broken. If you have something white or grey in the image then you can also fix the white balance straight away in picasa using the Tuning->Neutral Colour Picker tool.
 
You should be able to choose between pex raw and DNG raw, I would use DNG raw (and did on mine)
 
Hi Junkone

Hope you didn't get impatient without an immediate answer!

Sounds like Cuchulain might have the answer if you don't have Picasa 3

I use a K20D (still with Ver 1.01 software). I shoot .PEF and use Picasa 3, and don't get a blue cast.

I think that although Picasa opens .PEF files it still applies the camera settings so you might have camera set to "tungsten" or a custom Kelvin setting.

I do know that Picasa does a lot of editing to even a RAW image as my sunset, night sky and under-exposed bloopers are always too pale as Picasa tries to normalise them; and thats before you start playing about with the auto-contrast etc buttons.
The Picasa editing is why I use it as for normal exposure images it saves me having to edit each RAW file, but I still have te raw if Picasa can't handle it.

I'd suggest opening them in Pentax Photo Browser, probably downloadable if you haven't got it, which tells you what settings you took them with.

QS
 
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