20mm gf1 and strange lines - dead pixels?

Started Oct 18, 2011 | Discussions thread
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dryn
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20mm gf1 and strange lines - dead pixels?
Oct 18, 2011

Some time ago I have bought GF-1 and 45-200 lens. Today I have received
the brand new 20mm pancake.

With 20mm I got strange lines (black or white) in middle of a picture
and some lines of random colours at left side. It s visible not at
every picture, but happens once per 2-3 pictures. It happens with
every ISO, shutter speed and aperture.

And it never happens with 45-200 lens!

I was trying to use sensor cleaning and pixel refresh option from the
menu, but it doesn't help at all.

Is camera broken or 20mm lens?
Are these dead pixels?

Pictures from 20mm:

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