H25 black strokes at higher iso (200 asa)

Question regarding:Phase One H25, H20, H101, H10, H5, LightPhase, PowerPhase FX / FX +, PowerPhase, PhotoPhase and StudioKit.
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H25 black strokes at higher iso (200 asa)

Postby NN635066737333283237UL » Tue Nov 06, 2007 5:11 pm

I have bought a used H25 back in V mount. I have noticed some very thin ( about one or two pixels) regular, vertical black lines in higher iso pictures (200ASA). I am worried if the back is damaged. Will it be working properly in the future? What is going on? The back has 84000 shots. At 50 ASA or 100 ASA images are clear, without those strokes. Please help. Shell I give it back?

link:
http://www.deforma.com.pl/kontrast/H25c ... iso200.jpg
NN635066737333283237UL
 
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Postby Jon » Tue Nov 06, 2007 5:25 pm

Hello,

Looks like the back likely needs recalibration, contact your local dealer and have them create a support case. We will need to see raw files in order to process an RMA of course.
Kind Regards,
Jon Gilbert
Phase One
Jon
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