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Purple Blobs?


mikelc

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Hi all

 

....got my M9 on friday and it's been raining here in brooklyn so i only took about 30 shots of so just to test it out...and 5 of them have this purple ..whatever it is on them...all are located in skys which may be overblown a bit though some don't have it...anyone else experience this?

 

mike

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Is this real? or am I falling for a joke here? I have never seen anything like this. Can you post another example and tell us what raw converter you are using etc.

 

...oh it's no joke...i'm not near my computer with pics so i can't upload any of the others yet..i'll do so later but the other four have similar variations of this and all are pupled out in the whitish grey sky area...and i converted them in LR 2.5...

 

mike

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...here's 2 more ,,,M9 with 35 cron...i shot 47 total and about 5 or 6 have this the rest don't....

 

mike

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I've seen this before...on BW film developed in crappy metal reels and the emulsion was allowed to touch...:D No idea and obviously no help either:rolleyes:, interested to see where this goes...

 

..yes it does have that 'something was overdone in processing' look to it

I did format the card scandisk ultra ii 8 gb sdhc...

 

mike

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Could it be that you wet-cleaned your sensor and accidentally smeared it?:confused:Otherwise it is a sensor fault and I would return the camera if I were you.

 

 

...hm that's what i'm afraid of...obviously i didn't clean the sensor since it is brand new and this was it's maiden voyage so to speak....i bought it from David Farcus of DalePhoto who also said he never saw this and asked me to send him the raw files...none of the other files have it so I'm not sure what to make of that...

 

mike

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...hm that's what i'm afraid of...obviously i didn't clean the sensor since it is brand new and this was it's maiden voyage so to speak....i bought it from David Farcus of DalePhoto who also said he never saw this and asked me to send him the raw files...none of the other files have it so I'm not sure what to make of that...

 

mike

It reminds me most of the sensor of my D2 when it died...:( Obviously this kind of defect is not easy to pick up in QC, I think the camera should be exchanged.

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...More confusion....i opened the files in Adobe Bridge and like in LR and in the converted jpegs the blobs are there...I then looked at the origional files which are on an external hard drive (a DROBO robot which houses several drives) and viewing the thumbnails expanded I don't see the blobs!......???

 

mike

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Guest WPalank
...Yes I am...

 

That's the problem. There is a known problem with using a Power PC and LR which leaves that static in the highlight areas. I don't know if Adobe is even working on the problem.

 

Here's a sample:

 

It's been reported on our own Digital Processing Forum as well.

 

Also:

http://blogs.adobe.com/lightroomjournal/2009/09/important_note_regarding_light.html

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