D7000 pictures overexposed at low temperatures

Started Jan 17, 2014 | Discussions thread
MOD Mako2011 Forum Pro • Posts: 24,426
sounds like

Rob Stuart wrote:

Im in north of Finland where the outdoor temperatures are -28 Celsius.
After a few hours the pictures taken in RAW are all overexposed.
When the temperatures increase it works fine again.

What is causing this overexposure?


Sounds like the cold weather is causing the aperture blades in the lens to stick open. Shouldn't cause permanent damage. You might try putting the lenses in a sealed container with a desiccant for a few weeks. That would remove all moisture and maybe keep the blades from sticking as much.

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