My Canon 10D does the same thing. I don't think there is a way around it.

Generally, you take a lot of shorter exposures, and stack them together. The multiple frames cancel out the sensor noise.

The shorter exposures don't let light pollution build up, like a longer exposure will.

Cheers
Mike


On Sep 19, 2010, at 2:21 PM, Thibouille wrote:

K7 isn't like by astrophotographers because it is incapable of having
DFS disabled: in short it means  that 1 minute pose means one
additional minute DFS.
Imagine for 30 minutes pose.... :(

2010/9/19 Michael Beacom <mbea...@mac.com>:
Has anyone used a K-7 for astrophotography?
How well did the Life-View feature work for focusing?

Thanks,
Mike


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